Percent Problems and Simple Interest

Cary's dad gave her $20.00 to spend on shoes at the mall. Cary spent 85% of the money on one pair of shoes. How much money does Cary's dad get back from his $20.00?

Hank is buying a shirt that originally cost $25.00. It was on sale two weeks ago for 10% off. Today, it is an additional 20% off the original price. How much is the shirt now?

Sam had 9 puppies. After giving some away, Sam had 4 puppies left. What is the percent change in the number of puppies? Round to nearest whole percent if necessary.

• 56% decrease

• 125% decrease

• 56% increase

• 125% increase

Lisa's little brother weighed 8 pounds when he was born. He now weighs 36 pounds. What is the percent increase in the boy's weight?

• 350%

• 4%

• 40%

• 78%

If you invest $500 at a simple interest rate of 4% per year, how much money will you have after 2 years?

• $540

• $520

• $560

• $580

Find the interest on a sum of 3500 for 2 years at the rate of 5 % per annum.

Jerry borrowed $4,000 for 5 years at 6% simple interest rate. How much interest is that?

• $800

• $1,000

• $1,200

• $1,500

John put 14,000 Euros in an account at a simple interest rate of 1% per year.  How much interest will he get after 12 years?

• 16,800 Euros

• 168,000 Euros

• 1,680 Euros

Jane deposited $22,000 at a bank that pays 10% interest. Bill deposited $16,000 at a bank that pays 16% interest. Who will receive more interest in a year, and by how much more?

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Jack deposited $1,400 in his bank account.  After 3 years, the account earned $294 in interest.  Find the simple interest rate.

• 5%

• 8%

• 7.25%

• 7%