# Solving Proportions - Using Ratios

## Free Pre-Algebra Worksheet - Solving Proportions - Using Ratios

Lesson:
6. To solve proportions and work with problems involving ratios

Subject:
Pre-Algebra

Description:
This Free Pre-Algebra Worksheet contains problems on ratios and proportions. Students must solve proportions, determine if ratios form a proportion, find values that make ratios equal, and solve word problems involving ratios and proportions.

# of Problems:   20

# of Pages:   3

### Sample Problems from Worksheet

(Worksheet pictures and diagrams not shown)

Tutor-USA.com Worksheet
Pre-Algebra
Solving Proportions

1-6) Are the ratios equal? Write = or ≠.

7-12) Solve the proportion.

17) Ribbon costs \$3 for 15 in. How much would 3 ft of ribbon cost?

18) A microchip inspector found six defects in a batch containing 750 chips. How many defects should the inspector expect to find in a batch of 10,000 chips?

19) An office supply store charges \$5.25 for 25 color copies. At this rate how much would 150 copies cost?

20) The cost of three posters is \$9.60. Find the cost of 25 posters.