rates and ratios

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

If Bob ate 100 fries in 5 minutes, how many fries did he eat per minute?

Back

20 fries per minute.

Front

Simplify the ratio of 20 to 25.

Back

4 to 5.

Front

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

Back

18 minutes.

Front

If hamburger sells for 3 pounds for $6, how much will Alicia pay for 10 pounds?

Back

$20.

Front

What is a Rate?

Back

A rate is a ratio that compares two different kinds of quantities.

Front

How do you convert a ratio to a fraction?

Back

Write the first quantity as the numerator and the second quantity as the denominator.

Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its lowest terms.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 6 cups of flour?

Back

4 cups of sugar.

Front

What is the unit rate?

Back

The unit rate is a rate in which the second quantity is 1.