1) If you invest $10,000 at an annual rate of 7%, how much interest will you earn after one year?

2) If the price of a gallon of gas increases from $3.20 to $3.68, what percent did it increase?

3) If 5 apples cost $2.00, how much will 15 apples cost?

4) If 4 people can stain a deck in 2 days, how many people would be required to stain the deck in only 1 day?

5) If a gas tank can hold 30 gallons, how many gallons does it contain when it is three-fifths full?

6) How long will it take to reach a town 250 miles a way if you drive 50 miles per hour?

7) Tina bought a scarf for $16.65. She gave the clerk $20. How much change should she get back?

8) Sam bought a 12 pack of soda for $5.40. How much did he pay per can of soda?