Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

If a car travels 120 miles in 2 hours, what is the ratio of miles to hours?

Back

The ratio is 120 miles to 2 hours, which simplifies to 60 miles to 1 hour.

Front

What is the ratio of 4 red apples to 3 green apples?

Back

The ratio is expressed as 4:3.

Front

If there are 10 girls for every 12 boys, what is the ratio of girls to boys?

Back

The ratio of girls to boys is 10:12, which simplifies to 5:6.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the quantity by the number of units. For example, if you travel 150 miles on 5 gallons, the unit rate is 150 miles ÷ 5 gallons = 30 miles per gallon.

Front

What is the unit rate if you can ride 3 miles in 20 minutes?

Back

The unit rate is 3 miles ÷ 20 minutes = 0.15 miles per minute.

Front

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

Back

The ratio of flour to sugar is 2:3.

Front

What is the ratio of 35 to 14 simplified?

Back

The simplified ratio of 35:14 is 5:2.

Front

If you travel 150 miles on 5 gallons, how far do you travel per gallon?

Back

You travel 30 miles per gallon.