World #9: Simple and Compound Interest

Caiden earned $475 from mowing lawns last summer. He deposited this money in an account that pays an interest rate of 3.8% compounded annually. What will be his balance after 15 year?

• $827.52
• $831.10
• $839.45
• $846.80

View question in the picture then select the best answer

• A

• B

• C

• D

View question in the picture then select the best answer

• A

• B

• C

• D

View question in the picture then select the best answer

• F

• G

• H

• J

View question in the picture then select the best answer

• F

• G

• H

• J

View question in the picture then select the best answer

• F

• G

• H

• J

View question in the picture then select the best answer

• F

• G

• H

• J

Olivia will deposit $1,530 in an account that earns 6% simple interest every year.  Her sister Melinda will deposit $1,500 in an account that earns 8% interest compounded annually.  The deposits will be made on the same day, and no additional money will be deposited or withdrawn from the accounts.  Which statement about the balances of Olivia's account and Melinda's account at the end of 3 years is true?

• Olivia's account will have about $5.40 more than Melinda's account.
• Olivia's account will have about $84.17 more than Melinda's account.
• Melinda's account will have about $5.40 more than Olivia's account.
• Melinda's account will have about $84.17 more than Olivia's account.

You invested $1,900 at 4% interest compounded annually for 3 years.  How much interest did you earn in 3 years?

• $2,372.40
• $237.24
• $2,137.24
• $3,197.60