Calculate the Simple Interest for the Word Problems:

1.

If the balance at the end of eight years on an investment of $630 that

has been invested at a rate of 9% is $1,083.60, how much was the

interest?

2.

If you borrow $675 for six years at an interest rate of 10%, how much

interest will you pay?

3.

How much interest is earned on $470 at 4% for seven years?

4.

If you borrow $421 for nine years at an interest rate of 4%, how much

interest will you pay?

5.

If you borrow $491 for one year at an interest rate of 3%, how much

interest will you pay?

6.

How much interest does a $318 investment earn at 9% over one year?

7.

If the balance at the end of eight years on an investment of $230 that

has been invested at a rate of 3% is $285.20, how much was the

interest?

8.

If you borrow $225 for eight years at an interest rate of 6%, how much

interest will you pay?

9.

How much interest is earned on a principal of $646 invested at an

interest rate of 5% for two years?

10.

How much interest does a $407 investment earn at 6% over seven

years?