How To: Ratios & Unit Rates

Ratios & Unit Rates

What Is a Rate?

A rate is a comparison of two quantities that have different units. An example is 90 miles/3 hours, which is read as 90 miles per 3 hours.

What Is a Unit Rate?

Unit rates are rates where the denominator is 1. An example is 30 miles/1 hour.

Rates to Unit Rate

We will learn how to change a rate into a unit rate. In this example, we will change the rate, 250 miles/10 gallon, into a unit rate by dividing the numerator by the denominator. 250 ÷ 10 = 25, so the unit rate is 25 miles/gallon.

Video

If you still seem confused, watch this video from YouTube for more information.

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