Ratios and Unit Rates

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different.

Front

How do you simplify a ratio?

Back

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

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

How do you find the unit rate from a ratio?

Back

To find the unit rate, divide the first quantity by the second quantity.

Front

If a recipe calls for 2 cups of flour to 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 unit rate of 60 miles in 2 hours?

Back

The unit rate is 30 miles per hour.

Front

How can you determine which of two ratios is greater?

Back

To determine which of two ratios is greater, you can convert them to equivalent fractions and compare their values.

Front

If a car travels 150 miles on 5 gallons of gas, what is the car's miles per gallon (MPG)?

Back

The car's miles per gallon (MPG) is 30 MPG.

Front

What is the ratio of 45 to 75 in simplest form?

Back

The simplest form of the ratio 45 to 75 is 3:5.