NameDate:
Review: Ratio and Proportion #3 Pre Algebra
1. In a survey of patients, Dr. Tooth found that 12% of his patients floss daily. Which fraction is equivalent to 12%? / 2. Jordynn made of her free throws for the season. Which percent is equivalent to ?3. There were 80 seventh-grade students who signed up for soccer tryouts last year. This year, 58 seventh-grade students signed up for tryouts. What is the percent decrease in the number of students from last year? / 4. 35 female students participated in the science fair. This represents 70% of the total students that participated. How many total students participated in the science fair?
5. Ms. Mebergstayed four nights at a hotel. His bill was $525 before the sales tax of 6% was added. How much was the sales tax? / 6. 10% of a number equals 50. What is the number?
7. Mrs. Blake’s bill at a restaurant was 28.75. She wants to leave the waiter an 18 % tip. How much will the tip be? / 8. Tyrone put $1,340 into a savings account that earns 4% simple interest per year. How much interest will he earn in 2 years?
9. A realtor gets a 5% commission on the sale of a house. How much commission does the realtor get on the sale of a $220,000 house? / 10. Susan is buying bedroom furniture for $1,539.43 The dresser is 29.7% of the total cost. Which is the best estimate for the cost of the dresser?
12 Solve for x:
7x +7 = -14
15. . Simplify: 5 / 16. . Which property is illustrated?
3(2+4) = 3×2+ 3×4
17. Nick thought his height was 57 inches tall. He actually was 54 inches tall. Find the percent error to the nearest tenth of a percent.
19. Simplify the expression below.
5 + 4 - / 20. Add: -43 +18 + -12 + 7
21. A television costs $800 and is discounted 20%. The New York State sales tax rate is 8.625%.
a. What is the amount of money saved after the 20% discount?
b. What is the new sales price of the television?
c. What is the sale tax on the television?
d. What is the final cost of the television?