Ratios and Proportions

Front

Solve the proportion: 3/4 = x/12

Back

15

Front

Solve for w: 5/w = 2/3

Back

22/3

Front

Solve for x: 4/x = 1/5

Back

x = 20

Front

What is a Ratio?

Back

Is a comparison of two quantities.

Front

Solve for x: 8/x = 2/7

Back

x = 28

Front

What is a Proportion?

Back

An equation that states two ratios are equal.

Front

If a:b = 3:5, what is b if a = 12?

Back

b = 20

Front

What is the Cross-Multiplication Method?

Back

A method used to solve proportions by multiplying the extremes and the means.

Front

Solve for x: 6/x = 3/9

Back

x = 18

Front

What is a Rate?

Back

A ratio that compares two quantities with different units.