– Academic Pre-Algebra Study Guide 7.1 ~ 7.4

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Study Guide 7.1 ~ 7.4 – Academic Pre-Algebra

Directions: Show all necessary work in the space provided to receive full credit.

Put a BOX around your final answer for each problem.

Write the percent as a fraction in simplest form, or write the fraction as a percent.

1. 77% 2. 86%

Use a PROPORTION to solve the problems for # 5-7 . Show set-ups.

5. What percent of 90 is 15?

6

3.

25

23

4.

100

6. What number is 5% of 80?

7. On a math test, you obtained a score of 66 points. This was 88% of the total number of points on the test. How many total points were on the test?

Write the decimal as a percent or the percent as a decimal.

8. 6% 9. 326% 10. 0.04

Use the PERCENT EQUATION to solve the problems for #11-13.

12. What percent of 50 is 45? 11. What number is 91% of 200?

13. A salesperson earns a weekly salary of $175 plus a 4% commission on the sales of bicycles made during the week. If the salesperson’s bicycle sales for the week total $4500, how much did the salesperson earn for the week?

14. You are one of 25 finalists on a game show. One finalist is randomly selected to answer a trivia question for a prize. What is the probability that you will be selected? Write your answer as a percent.

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