Applied Calculus
Applied Calculus
7th Edition
ISBN: 9781337291248
Author: Waner, Stefan.
Publisher: Cengage Learning,
bartleby

Concept explainers

bartleby

Videos

Textbook Question
Book Icon
Chapter 7.4, Problem 30E

In Exercises 25–30, find the total value of the given income stream and also find its future value (at the end of the given interval) using the given interest rate. [HINT: See Examples 4 and 5.]

R ( t ) = 40 , 000 e 0.04 t ,   0 t 5 ,  at 10%

Blurred answer
Students have asked these similar questions
17) This exercise is based on the following table, which lists interest rates on long-term investments (based on 10-year government bonds) in several countries in 2014.† Country U.S. Japan Germany Australia Brazil Yield 2.5% 0.5% 1.0% 3.5% 4.2% Assuming that you invest $11,000 in Japan, how long (to the nearest year) must you wait before your investment is worth $17,000 if the interest is compounded annually?  yr
The following table shows the average life expectancies in several countries. Assume that all premiums you calculate are based on end-of-month deposits in a fund yielding 6.8% annual interest compounded monthly to be paid out when a person reaches the life expectancy. HINT [See Example 2.] Country Japan Canada U.K. U.S. Mexico China India LifeExpectancy:Male 80 80 79 76 73 74 64 LifeExpectancy:Female 87 84 83 81 79 77 68 Calculate the life insurance monthly premium that a 40-year-old female in Japan would pay for a $5,000,000 policy. (Round your answer to the nearest cent.)
The following table shows the average life expectancies in several countries. Assume that all premiums you calculate are based on end-of-month deposits in a fund yielding 4.8% annual interest compounded monthly to be paid out when a person reaches the life expectancy.  Country Japan Canada U.K. U.S. Mexico China India LifeExpectancy:Male 80 80 79 76 73 74 64 LifeExpectancy:Female 87 84 83 81 79 77 68   Calculate the life insurance monthly premium that a 40-year-old female in Japan would pay for a $5,000,000 policy. (Round your answer to the nearest cent.)   $________

Chapter 7 Solutions

Applied Calculus

Ch. 7.1 - Prob. 11ECh. 7.1 - Prob. 12ECh. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - Prob. 14ECh. 7.1 - Prob. 15ECh. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - Prob. 21ECh. 7.1 - Prob. 22ECh. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - Prob. 24ECh. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - Prob. 26ECh. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - Prob. 30ECh. 7.1 - Prob. 31ECh. 7.1 - Prob. 32ECh. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - Prob. 34ECh. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - Prob. 36ECh. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - Prob. 38ECh. 7.1 - Prob. 39ECh. 7.1 - In Exercises 140, evaluate the integral using...Ch. 7.1 - Prob. 41ECh. 7.1 - Find the area bounded by the curve y=xlnx, the...Ch. 7.1 - Prob. 43ECh. 7.1 - Prob. 44ECh. 7.1 - Prob. 45ECh. 7.1 - Prob. 46ECh. 7.1 - Prob. 47ECh. 7.1 - Integrals of Functions Involving Absolute Values...Ch. 7.1 - Integrals of Functions Involving Absolute Values...Ch. 7.1 - Prob. 50ECh. 7.1 - Prob. 51ECh. 7.1 - Prob. 52ECh. 7.1 - Displacement A rocket rising from the ground has a...Ch. 7.1 - Sales Weekly sales of graphing calculators can be...Ch. 7.1 - Total Cost The marginal cost of the x thbox of...Ch. 7.1 - Total Revenue The marginal revenue for selling the...Ch. 7.1 - Spending on Gasoline From the beginning of 2000 to...Ch. 7.1 - Spending on Gasoline From the beginning of 2007 to...Ch. 7.1 - Housing The following graph shows the annual...Ch. 7.1 - Housing for Sale The following graph shows the...Ch. 7.1 - Prob. 61ECh. 7.1 - Bottled Water Sales The rate of U.S. sales of...Ch. 7.1 - Prob. 63ECh. 7.1 - Prob. 64ECh. 7.1 - Revenue You have been raising the price of your...Ch. 7.1 - Revenue Luckily, sales of your Star Wars and Peace...Ch. 7.1 - Prob. 67ECh. 7.1 - Prob. 68ECh. 7.1 - Prob. 69ECh. 7.1 - Prob. 70ECh. 7.1 - Prob. 71ECh. 7.1 - Prob. 72ECh. 7.1 - Prob. 73ECh. 7.1 - In Exercises 7380, indicate whether the given...Ch. 7.1 - Prob. 75ECh. 7.1 - In Exercises 7380, indicate whether the given...Ch. 7.1 - Prob. 77ECh. 7.1 - Prob. 78ECh. 7.1 - Prob. 79ECh. 7.1 - Prob. 80ECh. 7.1 - Prob. 81ECh. 7.1 - Prob. 82ECh. 7.1 - Prob. 83ECh. 7.1 - Prob. 84ECh. 7.2 - In Exercises 18, find the area of the shaded...Ch. 7.2 - Prob. 2ECh. 7.2 - In Exercises 18, find the area of the shaded...Ch. 7.2 - Prob. 4ECh. 7.2 - Prob. 5ECh. 7.2 - Prob. 6ECh. 7.2 - In Exercises 18, find the area of the shaded...Ch. 7.2 - In Exercises 18, find the area of the shaded...Ch. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - Prob. 10ECh. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - Prob. 13ECh. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - Prob. 15ECh. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - Prob. 17ECh. 7.2 - Prob. 18ECh. 7.2 - Prob. 19ECh. 7.2 - Prob. 20ECh. 7.2 - Prob. 21ECh. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - Prob. 24ECh. 7.2 - Prob. 25ECh. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - Prob. 28ECh. 7.2 - Prob. 29ECh. 7.2 - Prob. 30ECh. 7.2 - Prob. 31ECh. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - Prob. 36ECh. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - In Exercises 942, find the area of the indicated...Ch. 7.2 - Prob. 40ECh. 7.2 - Prob. 41ECh. 7.2 - Prob. 42ECh. 7.2 - Prob. 43ECh. 7.2 - Prob. 44ECh. 7.2 - Prob. 45ECh. 7.2 - Oil Production in Mexico: Pemex The rate of crude...Ch. 7.2 - MySpace and Facebook Exercises 47 and 48 are based...Ch. 7.2 - MySpace and Facebook Exercises 47 and 48 are based...Ch. 7.2 - Prob. 49ECh. 7.2 - Prob. 50ECh. 7.2 - Prob. 51ECh. 7.2 - Prob. 52ECh. 7.2 - The following graph shows annual U.S. exports and...Ch. 7.2 - Prob. 54ECh. 7.2 - Prob. 55ECh. 7.2 - Prob. 56ECh. 7.2 - What is wrong with the following claim? I...Ch. 7.2 - Your pharmaceutical company monitors the amount of...Ch. 7.3 - In Exercises 1-8, find the average of the function...Ch. 7.3 - Prob. 2ECh. 7.3 - Prob. 3ECh. 7.3 - Prob. 4ECh. 7.3 - Prob. 5ECh. 7.3 - Prob. 6ECh. 7.3 - Prob. 7ECh. 7.3 - Prob. 8ECh. 7.3 - Prob. 9ECh. 7.3 - In Exercises 9 and 10, complete the given table...Ch. 7.3 - Prob. 11ECh. 7.3 - Prob. 12ECh. 7.3 - Prob. 13ECh. 7.3 - Prob. 14ECh. 7.3 - In Exercises 1324, calculate the 5-unit moving...Ch. 7.3 - In Exercises 1324, calculate the 5-unit moving...Ch. 7.3 - In Exercises 1324, calculate the 5-unit moving...Ch. 7.3 - Prob. 18ECh. 7.3 - Prob. 19ECh. 7.3 - Prob. 20ECh. 7.3 - Prob. 21ECh. 7.3 - Prob. 22ECh. 7.3 - In Exercises 1324, calculate the 5-unit moving...Ch. 7.3 - Prob. 24ECh. 7.3 - Prob. 25ECh. 7.3 - Prob. 26ECh. 7.3 - Prob. 27ECh. 7.3 - Prob. 28ECh. 7.3 - Prob. 29ECh. 7.3 - Prob. 30ECh. 7.3 - Prob. 31ECh. 7.3 - Prob. 32ECh. 7.3 - Prob. 33ECh. 7.3 - Prob. 34ECh. 7.3 - Television Advertising The cost, in millions of...Ch. 7.3 - Television Advertising The cost, in millions of...Ch. 7.3 - Membership: Facebook The number of new members...Ch. 7.3 - Membership: MySpace The number of new members...Ch. 7.3 - Prob. 39ECh. 7.3 - Health Expenditures Annual expenditures on health...Ch. 7.3 - Prob. 41ECh. 7.3 - Investments If you invest $10,000 at 12% interest...Ch. 7.3 - Prob. 43ECh. 7.3 - Prob. 44ECh. 7.3 - Prob. 45ECh. 7.3 - Prob. 46ECh. 7.3 - Prob. 47ECh. 7.3 - Prob. 48ECh. 7.3 - Prob. 49ECh. 7.3 - Prob. 50ECh. 7.3 - Prob. 51ECh. 7.3 - Prob. 52ECh. 7.3 - Bottled Water Sales The rate of U.S. sales of...Ch. 7.3 - Bottled Water Sales The rate of U.S. per capita...Ch. 7.3 - Prob. 55ECh. 7.3 - Pasta Imports in the 1990s In 1990 the United...Ch. 7.3 - Prob. 57ECh. 7.3 - Prob. 58ECh. 7.3 - Prob. 59ECh. 7.3 - Prob. 60ECh. 7.3 - Prob. 61ECh. 7.3 - Prob. 62ECh. 7.3 - Prob. 63ECh. 7.3 - Prob. 64ECh. 7.3 - Prob. 65ECh. 7.3 - Prob. 66ECh. 7.3 - Prob. 67ECh. 7.3 - Prob. 68ECh. 7.4 - In Exercises 112, calculate the consumers surplus...Ch. 7.4 - Prob. 2ECh. 7.4 - In Exercises 112, calculate the consumers surplus...Ch. 7.4 - In Exercises 112, calculate the consumers surplus...Ch. 7.4 - Prob. 5ECh. 7.4 - In Exercises 112, calculate the consumers surplus...Ch. 7.4 - Prob. 7ECh. 7.4 - In Exercises 112, calculate the consumers surplus...Ch. 7.4 - Prob. 9ECh. 7.4 - Prob. 10ECh. 7.4 - In Exercises 112, calculate the consumers surplus...Ch. 7.4 - In Exercises 112, calculate the consumers surplus...Ch. 7.4 - In Exercises 1324, calculate the producers surplus...Ch. 7.4 - Prob. 14ECh. 7.4 - Prob. 15ECh. 7.4 - In Exercises 1324, calculate the producers surplus...Ch. 7.4 - In Exercises 1324, calculate the producers surplus...Ch. 7.4 - In Exercises 1324, calculate the producers surplus...Ch. 7.4 - In Exercises 1324, calculate the producers surplus...Ch. 7.4 - Prob. 20ECh. 7.4 - Prob. 21ECh. 7.4 - In Exercises 1324, calculate the producers surplus...Ch. 7.4 - Prob. 23ECh. 7.4 - In Exercises 1324, calculate the producers surplus...Ch. 7.4 - In Exercises 2530, find the total value of the...Ch. 7.4 - In Exercises 2530, find the total value of the...Ch. 7.4 - In Exercises 2530, find the total value of the...Ch. 7.4 - Prob. 28ECh. 7.4 - Prob. 29ECh. 7.4 - In Exercises 2530, find the total value of the...Ch. 7.4 - Prob. 31ECh. 7.4 - In Exercises 3136, find the total value of the...Ch. 7.4 - In Exercises 3136, find the total value of the...Ch. 7.4 - Prob. 34ECh. 7.4 - In Exercises 3136, find the total value of the...Ch. 7.4 - In Exercises 3136, find the total value of the...Ch. 7.4 - College Tuition A study of U.S. colleges and...Ch. 7.4 - Fast Food A fast-food outlet finds that the demand...Ch. 7.4 - Prob. 39ECh. 7.4 - Revenue: Nintendo The annual net sales (revenue)...Ch. 7.4 - Revenue: Walmart The annual revenue earned by...Ch. 7.4 - Revenue: Target The annual revenue earned by...Ch. 7.4 - Prob. 43ECh. 7.4 - Revenue Refer back to Exercise 40. Suppose that,...Ch. 7.4 - Prob. 45ECh. 7.4 - Revenue Refer back to Exercise 42. Suppose that,...Ch. 7.4 - Saving for Retirement You are saving for your...Ch. 7.4 - Saving for College When your first child is born,...Ch. 7.4 - Prob. 49ECh. 7.4 - Saving for College When your first child is born,...Ch. 7.4 - Bonds The U.S. Treasury issued a 30-year bond on...Ch. 7.4 - Prob. 52ECh. 7.4 - Valuing Future Income Inga was injured and can no...Ch. 7.4 - Valuing Future Income Max was injured and can no...Ch. 7.4 - Prob. 55ECh. 7.4 - Complete the following: The present value of a...Ch. 7.4 - Linear Demand Given a linear demand equation...Ch. 7.4 - Linear Supply Given a linear supply equation of...Ch. 7.4 - Prob. 59ECh. 7.4 - Prob. 60ECh. 7.4 - Prob. 61ECh. 7.4 - Prob. 62ECh. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - Prob. 5ECh. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - Prob. 8ECh. 7.5 - Prob. 9ECh. 7.5 - Prob. 10ECh. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - Prob. 13ECh. 7.5 - Prob. 14ECh. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - Prob. 16ECh. 7.5 - Prob. 17ECh. 7.5 - Prob. 18ECh. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - Prob. 20ECh. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - In Exercises 126, decide whether or not the given...Ch. 7.5 - Prob. 25ECh. 7.5 - Prob. 26ECh. 7.5 - Prob. 27ECh. 7.5 - Prob. 28ECh. 7.5 - In Exercises 2734, use technology to approximate...Ch. 7.5 - Prob. 30ECh. 7.5 - Prob. 31ECh. 7.5 - Prob. 32ECh. 7.5 - In Exercises 2734, use technology to approximate...Ch. 7.5 - Prob. 34ECh. 7.5 - Prob. 35ECh. 7.5 - Revenue from New Home Sales Revenue from the sale...Ch. 7.5 - Prob. 37ECh. 7.5 - Sales Sales of the text Calculus and You have been...Ch. 7.5 - Sales My financial adviser has predicted that...Ch. 7.5 - Revenue Alarmed about the sales prospects for my...Ch. 7.5 - Prob. 41ECh. 7.5 - Prob. 42ECh. 7.5 - Prob. 43ECh. 7.5 - Prob. 44ECh. 7.5 - Prob. 45ECh. 7.5 - Prob. 46ECh. 7.5 - Hair Mousse Sales The amount of extremely popular...Ch. 7.5 - Chocolate Mousse Sales The weekly demand for your...Ch. 7.5 - Prob. 49ECh. 7.5 - Prob. 50ECh. 7.5 - Prob. 51ECh. 7.5 - Prob. 52ECh. 7.5 - Prob. 53ECh. 7.5 - Panic Sales Unfortunately, your large supply of...Ch. 7.5 - Prob. 55ECh. 7.5 - Prob. 56ECh. 7.5 - Prob. 57ECh. 7.5 - Prob. 58ECh. 7.5 - Why cant the Fundamental Theorem of Calculus be...Ch. 7.5 - Why cant the Fundamental Theorem of Calculus be...Ch. 7.5 - It sometimes happens that the Fundamental Theorem...Ch. 7.5 - Does the FTC give the correct answer for improper...Ch. 7.5 - Prob. 63ECh. 7.5 - Prob. 64ECh. 7.5 - Prob. 65ECh. 7.6 - In Exercises 1-10, find the general solution of...Ch. 7.6 - In Exercises 1-10, find the general solution of...Ch. 7.6 - Prob. 3ECh. 7.6 - Prob. 4ECh. 7.6 - Prob. 5ECh. 7.6 - Prob. 6ECh. 7.6 - Prob. 7ECh. 7.6 - Prob. 8ECh. 7.6 - Prob. 9ECh. 7.6 - Prob. 10ECh. 7.6 - Prob. 11ECh. 7.6 - Prob. 12ECh. 7.6 - Prob. 13ECh. 7.6 - Prob. 14ECh. 7.6 - Prob. 15ECh. 7.6 - Prob. 16ECh. 7.6 - Prob. 17ECh. 7.6 - Prob. 18ECh. 7.6 - Prob. 19ECh. 7.6 - Prob. 20ECh. 7.6 - Sales Your monthly sales of green tea ice cream...Ch. 7.6 - Prob. 22ECh. 7.6 - Newtons Law of Cooling For coffee in a ceramic...Ch. 7.6 - Prob. 24ECh. 7.6 - Prob. 25ECh. 7.6 - Heating Suppose that a pie at 20F is put in an...Ch. 7.6 - Prob. 27ECh. 7.6 - Prob. 28ECh. 7.6 - Determining Demand Nancys Chocolates estimates...Ch. 7.6 - Prob. 30ECh. 7.6 - Prob. 31ECh. 7.6 - Prob. 32ECh. 7.6 - Prob. 33ECh. 7.6 - Prob. 34ECh. 7.6 - Prob. 35ECh. 7.6 - Prob. 36ECh. 7.6 - Approach to Equilibrium The Extrasoft Toy Co. has...Ch. 7.6 - Prob. 38ECh. 7.6 - Prob. 39ECh. 7.6 - Prob. 40ECh. 7.6 - Prob. 41ECh. 7.6 - Prob. 42ECh. 7.6 - Prob. 43ECh. 7.6 - Prob. 44ECh. 7.6 - Prob. 45ECh. 7.6 - Why is there always an arbitrary constant in the...Ch. 7.6 - Prob. 47ECh. 7.6 - Prob. 48ECh. 7.6 - Prob. 49ECh. 7.6 - Prob. 50ECh. 7 - In Exercises 1-10, evaluate the given integral....Ch. 7 - Prob. 2RECh. 7 - Prob. 3RECh. 7 - Prob. 4RECh. 7 - In Exercises 1-10, evaluate the given integral....Ch. 7 - Prob. 6RECh. 7 - Prob. 7RECh. 7 - Prob. 8RECh. 7 - Prob. 9RECh. 7 - Prob. 10RECh. 7 - In Exercises 11-14, find the area of the given...Ch. 7 - In Exercises 11-14, find the area of the given...Ch. 7 - Prob. 13RECh. 7 - Prob. 14RECh. 7 - In Exercises15-18, find the average value of the...Ch. 7 - In Exercises15-18, find the average value of the...Ch. 7 - In Exercises15-18, find the average value of the...Ch. 7 - Prob. 18RECh. 7 - Prob. 19RECh. 7 - In Exercises 19-22, find the 2-unit moving...Ch. 7 - Prob. 21RECh. 7 - Prob. 22RECh. 7 - In Exercises 23 and 24, calculate the consumers...Ch. 7 - In Exercises 23 and 24, calculate the consumers...Ch. 7 - In Exercises 25 and 26, calculate the consumers...Ch. 7 - In Exercises 25 and 26, calculate the consumers...Ch. 7 - In Exercises 27-32, decide whether the given...Ch. 7 - In Exercises 27-32, decide whether the given...Ch. 7 - In Exercises 27-32, decide whether the given...Ch. 7 - In Exercises 27-32, decide whether the given...Ch. 7 - In Exercises 27-32, decide whether the given...Ch. 7 - In Exercises 27-32, decide whether the given...Ch. 7 - In Exercises 33-36, solve the given differential...Ch. 7 - Prob. 34RECh. 7 - Prob. 35RECh. 7 - Prob. 36RECh. 7 - Spending on Stationery Alarmed by the volume of...Ch. 7 - Prob. 38RECh. 7 - Education Costs Billy-Sean OHagan, having...Ch. 7 - Investments OHaganBooks.com keeps its cash...Ch. 7 - Consumerss and Producerss Surplus Currently, the...Ch. 7 - Prob. 42RECh. 7 - Revenue Sales of the best seller A River Burns...Ch. 7 - Prob. 44RECh. 7 - Prob. 45RECh. 7 - Prob. 46RECh. 7 - Acquisitions The Megabucks Corporation is...Ch. 7 - Prob. 48RECh. 7 - Prob. 49RECh. 7 - Prob. 50RE
Knowledge Booster
Background pattern image
Calculus
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, calculus and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Text book image
Calculus: Early Transcendentals
Calculus
ISBN:9781285741550
Author:James Stewart
Publisher:Cengage Learning
Text book image
Thomas' Calculus (14th Edition)
Calculus
ISBN:9780134438986
Author:Joel R. Hass, Christopher E. Heil, Maurice D. Weir
Publisher:PEARSON
Text book image
Calculus: Early Transcendentals (3rd Edition)
Calculus
ISBN:9780134763644
Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric Schulz
Publisher:PEARSON
Text book image
Calculus: Early Transcendentals
Calculus
ISBN:9781319050740
Author:Jon Rogawski, Colin Adams, Robert Franzosa
Publisher:W. H. Freeman
Text book image
Precalculus
Calculus
ISBN:9780135189405
Author:Michael Sullivan
Publisher:PEARSON
Text book image
Calculus: Early Transcendental Functions
Calculus
ISBN:9781337552516
Author:Ron Larson, Bruce H. Edwards
Publisher:Cengage Learning
Use of ALGEBRA in REAL LIFE; Author: Fast and Easy Maths !;https://www.youtube.com/watch?v=9_PbWFpvkDc;License: Standard YouTube License, CC-BY
Compound Interest Formula Explained, Investment, Monthly & Continuously, Word Problems, Algebra; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=P182Abv3fOk;License: Standard YouTube License, CC-BY
Applications of Algebra (Digit, Age, Work, Clock, Mixture and Rate Problems); Author: EngineerProf PH;https://www.youtube.com/watch?v=Y8aJ_wYCS2g;License: Standard YouTube License, CC-BY