Math 7 Chapter 5 Review Sheet

Name: ______

Math 7 ~ Chapter 5 Review Sheet

For numbers 1, 2 and 3: Convert each expression into the other two forms.

3. 1. 6% 2. 0.72

Fraction:______Fraction:______Percent:______

Decimal:______Percent:______Decimal:______For numbers 4, and 5: Write a proportion and show your heart method work to answer each question. Round to the nearest tenth, if necessary.

4. What is 5% of 150? 5. 60 is 125% of what number?

For numbers 6 and 7: Find the simple interest of each given situation. Write the formula, show your substitution, solve, giving your final answer with a label. Show all your work!

6. Supposed you invest $2,000 at an annual 7. Shane borrows $250 at 9% interest. In 2 interest rate of 5% for 3 years, how much years, how much interest will he pay? interest would you earn? For numbers 8 and 9: State whether each change is a percent of increase or a percent of decrease. Then find the percent of change. Round to the nearest tenth, if necessary. Write a proportion and show your heart method work.

8. From $185 to $122. 9. A big-screen TV that previously sold for $2,400 has been marked down to $2,040.

For numbers 10 – 12: Each questions has two parts to get to the final answer. Show your work for both parts. Circle both answers with labels.

10. (Discount) A frozen pizza is on sale at a 35% discount. Find the sale price of the pizza if it normally sells for $4.83.

11. (Sales tax) The price of a bicycle you plan to buy is $159.99. The sales tax at the Bike Shop is 6%. How much will you pay for the bicycle? 12. (Tip) Your sister decides to get her nails done after school. She leaves a 10% tip. It costs her $35 to get a gel manicure. How much total did she pay at the nail salon that day?

For numbers 13 – 15: Each questions has one part to get to the final answer. Show your work for each question. Circle your answer with label.

13. (Commission) A relator sells a home for $350,000. She has a 12% commission rate. How much money will she make from selling this house?

14. (Sales tax) At dinner with your friends, your food costs $54.75. The sales tax is 6%. How much will you have to add on to your bill in tax? 15. (Commission) James works for a sales company where each employee gets 5% commission on every knife set they sell. If James sells $335 in knife sets, how much commission will he make?

For numbers 16 – 17: Each questions has one part to get to the final answer. Show your work for each question. Circle your answer with label.

16. (Discount) Pep Boys is having a sale on tires. One tire costs $65. If there is a 25% discount when you buy two tires, how much will be discounted if you accept the deal and buy two tires?

17. (Tip) Jess is a waitress. She was so excited after work because she got a 20% on a big bill. The bill was $125.27. How much was the tip she got?!