Chapters

## Exercise 1

How long does it take a principal of dollars at a simple interest rate of to become dollars?

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## 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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