The simple interest on a loan is calculated by the formula • Interest=principal * rate * days / 365 The preceding formula assumes that rate is the annual interest rate, and therefore it should include the division by 365 (days). Develop a program that will input principal, rate and days for several loans, and will calculate and display the simple interest for each loan, using the preceding formula. Also, Program must be continued until you enter -1. • You should print interest rate in 2 decimal points format (ex| 100

The simple interest on a loan is calculated by the formula • Interest=principal * rate * days / 365 The preceding formula assumes that rate is the annual interest rate, and therefore it should include the division by 365 (days). Develop a program that will input principal, rate and days for several loans, and will calculate and display the simple interest for each loan, using the preceding formula. Also, Program must be continued until you enter -1. • You should print interest rate in 2 decimal points format (ex| 100

C++ Programming: From Problem Analysis to Program Design

8th Edition

ISBN:9781337102087

Author:D. S. Malik

Publisher:D. S. Malik

Chapter5: Control Structures Ii (repetition)

Section: Chapter Questions

Problem 32PE

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4. During each summer, John and Jessica grow vegetables in their backyard and buy seeds and fertilizer from a local nursery. The nursery carries different types of vegetable fertilizers in various bag sizes. When buying a particular fertilizer, they want to know the price of the fertilizer per pound and the cost of fertilizing per square foot. The following program prompts the user to enter the size of the fertilizer bag, in pounds, the cost of the bag, and the area, in square feet, that can be covered by the bag. The program should output the desired result. However, the program contains logic errors. Find and correct the logic errors so that the program works properly. // Logic errors. #include #include using namespace std; int main() { double costs double area; double bagsize; cout > bagsize; cout > cost; cout > area; cout << endl; cout << "The cost of the fertilizer per pound is: $" << bagsize / cost << endl; cout << "The cost of fertilizing per square foot is: $" << area / cost << endl; return 0; }
25. Repeat Programming Exercise 24, but the wire is to be bent in the form of a circle. In this case, the user specifies the length of the wire and the program outputs the radius and area of the circle. (You may assume that . Also declare it as a named constant.)
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Suppose that you want to make a variable sum hold 1 + 2 + 3… + 20. Use a while statement to calculate the accumulative sum that is less than Equal 20, by starting it at 0. Once you have created the while statement print each iteration.
3. The formula for determining compound interest is: A represents the amount to earn; P is the principle that is initially invested; r is the interest rate earned; n is the number of times the interest is compounded; and t is the number of time periods for the investment. Write a program that prompts the user to enter P, r, n and t. The program should output the amount earned on the investment. 4. Look up the Pythagorean theorem if you are not already familiar with it. Use the following formula to solve for c in the formula: c = √a2 + b2. Use the proper functions from the cmath header file. Be sure to output the result.l
Your program will prompt the user for the following information: current population number of yearly births from the previous year number of yearly deaths from the previous year number of years into the future for your predictive value of the future population. You will then compute the following: birth rate death rate growth rate the predicted future population Assignment Notes: To allow the user to input the numeric data (such as current population) it is necessary to use the input function. The input function takes a string in parenthesis that prompts the user what to enter. The computer then waits until the user types a response, terminated by the user typing the Enter key. A string, as a sequence of characters, is returned to the variable on the lefthand side of the assignment statement. For example: currPopulation = input(“Enter the current US population”) The data in currPopulation is a string (because that is what the input statement does) but we need it to be a number…
2.27 LAB: Driving costs Driving is expensive. Write a program with a car's miles/gallon and gas dollars/gallon (both doubles) as input, and output the gas cost for 20 miles, 75 miles, and 500 miles. Output each floating-point value with two digits after the decimal point, which can be achieved as follows:printf("%0.2lf", yourValue); Ex: If the input is: 20.0 3.1599 the output is: 3.16 11.85 79.00 Note: Real per-mile cost would also include maintenance and depreciation. LAB ACTIVITY 2.27.1: LAB: Driving costs---------------------------------------------------------------------------------------------------- #include <stdio.h> int main(void) { /* Type your code here. */ return 0;}
Please help I don't know how to write the code Note: You've already written psuedocode of this problem in Homework 1: Question 1. Now, you just need to convert your algorithm to C++ code to solve this question. While shopping over the weekend for almond milk, you discover that all the almond milk cartons have square bases and varying heights. Write a program which takes user inputs for the side length of the square base of the carton in inches and the height of the carton in inches and outputs how many ounces a carton holds. You can use the following formula to convert cubic inches to ounces: ounces = 0.55 * cubic inches Hint: you should calculate cubic inches from the cartons dimensions before calculating ounces. The output should be the volume of the carton in ounces formatted with one-digit precision as shown below. You can use the setprecision() function with the fixed manipulator from the library to do so. --- Sample run ---: What is the side length of the base of the carton in…