
Simple interest word problems for grade 7 and grade 8. Answers on the second page. 1.If you invest $800 at an interest rate of 5%, how much money will you have after one year? 2. You invested $900 and received $1,548.00 after nine years. What was the interest rate? 3. At what rate was an investment made that obtains $320.00 on $500 over eight years? 4. You put $100 into an investment at 7% for nine years. What will the balance be at the end of nine years? 5. If you invest $100 at an interest rate of 6%, how much money will you have after two years? 6. The cost of a loan for $300 over three years is $81.00. What was the rate on the loan? 7. If you borrow $100 for five years at an interest rate of 7%, how much interest will you pay? 8. If the balance at the end of three years on an investment of $500 that has been invested at a rate of 4% is $560.00, how much was the interest? 9. If you put money into a savings account that earns $432.00 over eight years at a rate of 6%, how much money did you put into the account? 10. How much interest is earned on $800 at 8% for two years? 
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