Proportions and Ratios Test

Front

Express the ratio as a fraction: 18 ounces to 3 cups

Back

18/3

Front

Solve the proportion: If 2/3 = x/12, what is x?

Back

x = 8

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

If a recipe requires 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3

Front

A 12-ounce bottle of shampoo lasts Enrique 16 weeks. How long would you expect an 18-ounce bottle to last?

Back

24 weeks

Front

A bird flies 35 meters in 10 seconds. How long will it take to fly 14 more meters at the same rate?

Back

4 seconds

Front

If 5 apples cost $2, how much do 15 apples cost?

Back

$6

Front

What is the cross-multiplication method used for?

Back

It is used to solve proportions by multiplying the means and extremes.

Front

If the ratio of boys to girls in a class is 3:4, how many girls are there if there are 12 boys?

Back

16 girls