82. Investments A student invests a total of $5000 at 3% and 4% annually. After 1 year, the student receives a total of $187.50 in interest. How much did the student invest at each interest rate?

Q: 9. In May of 2019, we went to Central Europe. We flew to Budapest, Hungary and rented a car that…

A: According to the company rule we can answer the first question and rest can be reposted.

Q: Your parents invest $10,000 in a college fund when you are born. They find a fund that will return…

A: The interest 8% is compounded annually here.  Principle invested= $10,000 rate of interest= 0.08…

Q: 4. Abe makes $18.50 per hour. He works 37 hours a week. He pays 23% of his gross earnings in federal…

A:

Q: 4. Sarah is a computer engineer and manager and works for a software company. She receives a fixed…

A:

Q: 5 Marc bought a new laptop for $1250. He kept track of the value of the laptop over the next three…

A: Price of new laptop = $1250 Price after 1 year = $1000 Price after 2 year = $800 Price after 3 year…

Q: 4. A population of llamas stranded on a dessert island is decreasing due to a food shortage by 6%…

A: Depreciation rate of population: r = 6% Let the population at time t is: P(t)

Q: After knee surgery, your physical therapist tells you to return to your running program slowly. He…

A:

Q: 55. Michelle borrows a total of $5000 in student loans from two lenders. One charges 4.6% simple…

A: Given that, Michelle borrows a total of $5000 from two lenders. One charges 4.6% simple interest…

Q: You deposit $540 in a savings account paying 2.9 % simple interest. You should show your work for…

A:

Q: 4. Carla's clothing shop opened eight years ago. The first year she made $3000 profit. Each year…

A: Solution

Q: 5. You deposited P65 200 in the bank that earns P15 850 at the end of 5 years, at what interest rate…

A:

Q: 16. Dustin is going to attend a four-year university that has an annual tuition of $17,225. He has…

A: Total amount he has to pay for all four years = 4*$17225…

Q: A runner begins training by running 5 km one week. Each week she increases the amount she runs by…

A:

Q: 7.) Destiny babysat 3 hours each night for 4 nights. She earned a total of $240 babysitting. Destiny…

A:

Q: 6. Emily invests $5,000 in an account that pays 4% simple interest. About how many years will it…

A: The correct option is, option (C) 25 years.   The detailed solution is as follows below:

Q: 6. Trey wants to attend a college that will cost $17,400 for the first year. His uncle gave him a…

A: Trey first year cost =$17400 Trey special gift by uncle =$12000

Q: 9. Emily spent two thirds of her money. Then she lost two thirds of the money that was left. Four…

A: Let the money that Emily has is x dollarsShe spend 2/3rd of her…

Q: 5. A man invested $20,000 into two accounts paying 5% and 10% simple interest per year. If his…

A:

Q: Two investments earn an annual income of $540. One investment earns an annual simple interest rate…

A:

Q: 3 17. CAR WASH You earn $35 for washing 7 cars. How much do you earn for washing 4 cars? 18. 5K RACE…

A:

Q: 4. A book sells for $15. The author is paid royalties of 13% on the first 15,000 copies sold and 18%…

A:

Q: 5. A Ping Pong ball is dropped from a height of 16 feet and always rebounds % of the distance of the…

A: Follow the procedure given below.

Q: Calculate the total amount earned at the end Principle -10 000 Rate -12% Number of years-36 months

A:

Q: 10. Tessa is on the track team. For practice and exercise, she runs 2.25 miles each day. At the end…

A:

Q: 7. You buy a car for R90 000. The car loses its value by 10% a year and you want to know how much…

A: Value the car in the beginning of the first year ( V1 ) = R 90,000 It is given that the car loses…

Q: 4.2 #1 In 1562, the town of Mittenwalde lent Berlin 400 guilders repayable at 6% per year. The debt…

A: Please refer to the image below.

Q: 3. Mari's gross pay for the year is $28,600. She receives $325 a year in interest from the bank. She…

A:

Q: 5. A rotary club organized a program to help the street children and will sponsor a concert to raise…

A:

Q: You want to purchase an RV in 5 years that cost 80,000. You are going to make monthly deposits into…

A: Given Monthly deposit is Yearly deposit is

Q: 10. An investment of $500 earns 3.1% per year. What is the value of the investment after 5 years?

A: Investment amount=$500 Earn intrest = 3.1% Total investment time= 5 year

Q: 5. Arthur invests his inheritance of $24,000 in two different accounts which pay 6% and 5% annual…

A: We will find the investment.

Q: A total of $28,000 invested in two municipal bonds that pay 6.25% and 7.75% simple interest. The…

A:

Q: You place $14,000 in a savings account.  It grows at 5% a year.  How much will you have total in 15…

A: We will use the simple interest formula to first calculate the interest.   total amount of money…

Q: 2. Interest: A woman invested part of $20, 000 at 6% interest and the rest at 7%. If her annual…

A:

Q: You have $750,000 in an IRA​ (Individual Retirement​ Account) at the time you retire. You have the…

A: Given: The amount for investment is $750,000. Fund A pays 5.1% annually and B pays 7.6% annually.…

Q: 4. Carla drinks a lot of water when she is training for her marathon. On Mondays i through Fridays,…

A:

Q: 1 (a) Amy delivers the mail. Last week 180 000 items arrived at the delivery depot. This week 0.25…

A: Total means sum of whole items . Note : 1 million=106.

Q: 1. Langston has $62 and wants to buy a new guitar. To do so, he will need at least $200 plus 7%…

A: Here Langston has an initially 62$ with him initially and half of his weekly earning goes to his…

Q: You invested ​$14,000 in two accounts paying 5% and 6% annual​ interest, respectively. If the total…

A:

Q: 34. Gardening A gardener is transplanting flowers into a flowerbed. She has been working for an hour…

A:

Q: 7. You have inherited land that was purchased for $30,000 in 1960. The value of the land increased…

A: Exponential growth is a process that increases quantity over time. Formula for exponential growth…

Q: rate of 5% simple interest for 8 years. At the end of the 8 years, the account had a total of $8400.…

A: Given: An amount was invested at an annual rate of 5% simple interest for 8 years. At the end of the…

Q: 68. An investment decreases by 5% per year for 4 years. By what total percent does it decrease over…

A: Let the investment be $100. After 1 year , the investment is decreased to 95% of 100=$ 95 After 2…

Q: 12.) A new car is valued at $33,000 and decreases in value by 33% per year. Value of car in 15…

A:

Q: 10. ALGEBRA Mary Rose pays her auto insurance premiums quarterly. Her annual premium last year was…

A:

Q: Construction A contractor estimates that it will require $16,400 of upgrades to make a home more…

A: To obtain the number of months, divide 16400 by 80.

Q: Charis invested $140. She earned a simple interest of 3% per year on the initial investment. If no…

A: Given,         Charis invested $140. She earned a simple interest of 3% per year on initial…

Q: You deposit $100 in a savings account that earns 5% simple interest per year. What is the interest…

A: Given Principal amount = P = $100 Time = t = 8 years Interest rate = 5% per year

Q: A bank pays 7% interest on 3-year certificates of deposit. What is the value of a $500 certificate…

A: topic - interest

Q: 7. A slice of carrot cake from the popular restaurant The Cheesecake Factory contains 1560 calories.…

A: We have to find

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.