Chapters
Exercise 1
How long does it take a principal of 
dollars at a simple interest rate of 
to become 
dollars?
Exercise 2
dollars is deposited into a savings account. After one year, 
months, and 
days it totals 
dollars. Calculate the simple interest rate for this account.
Exercise 3
Determine the simple interest rate applied to a principal over years if the total interest paid equals the borrowed principal.
Exercise 4
How long does it take a principal payment to triple at a simple interest rate of 
?
Exercise 5
Find the total amount of simple interest that is paid over a period of five years on a principal of dollars at a simple interest rate of .
Exercise 6
Calculate the total worth of an investment after six months with a principal of 
dollars at a simple interest rate of 
.
Solution of exercise 1
How long does it take a principal of dollars at a simple interest rate of to become dollars?
years
Solution of exercise 2
dollars is deposited into a savings account. After one year, months, and days it totals dollars. Calculate the simple interest rate for this account.
days
dollars
Solution of exercise 3
Determine the simple interest rate applied to a principal over years if the total interest paid equals the borrowed principal.
Solution of exercise 4
How long does it take a principal payment to triple at a simple interest rate of ?
Let's say principal = 
Three times of 
Interest = 
Interest = 
Interest = 
years
Solution of exercise 5
Find the total amount of simple interest that is paid over a period of five years on a principal of dollars at a simple interest rate of .
dollars
Solution of exercise 6
Calculate the total worth of an investment after six months with a principal of dollars at a simple interest rate of .
dollars
dollars
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