Equivalent Ratios and Solving Proportions

Front

What are two ratios that are equal called?

Back

Proportional

Front

Solve for x: 5/20 = x/80

Back

x = 20

Front

Solve for x: 3/9 = x/27

Back

x = 9

Front

What is the ratio of girls to boys if there are 6 girls and 21 boys?

Back

2:7

Front

Are 18 vocab words learned in 2 hours and 27 vocab words learned in 3 hours equivalent?

Back

Yes, equivalent

Front

Define equivalent ratios.

Back

Ratios that express the same relationship between two quantities.

Front

What is a proportion?

Back

An equation that states that two ratios are equal.

Front

If the ratio of apples to oranges is 3:4, how many oranges are there if there are 12 apples?

Back

16 oranges

Front

What is the unit rate of 60 miles in 3 hours?

Back

20 miles per hour

Front

If 4 pencils cost $2, what is the cost of 10 pencils?

Back

$5