# Sara drives 171 miles on 7.6 gallons of gas. She uses this information to calculate how many...

## Question:

Sara drives {eq}171 {/eq} miles on {eq}7.6 {/eq} gallons of gas. She uses this information to calculate how many miles per gallon she can drive. Using this result, how many miles can Sara drive on {eq}12.5 {/eq} gallons of gas?

## Unit Rate:

The unit rate of any two linearly interrelated physical quantity is the value of one physical quantity when the other is unity. For example, the distance covered by a car 1n 4 hours is 100 miles, then the rate of the car or the speed is 25 miles in 1 hour.

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According to the question, Sara drives 171 miles on 7.6 gallons of gas. The milage or the rate of distance traveled for a gallon of gas can be... How to Find the Unit Rate

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Chapter 50 / Lesson 2
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Unit rates can be helpful for anyone trying to figure out miles per hour, earnings per year, or practically any other amount of one unit it takes for something to happen in other units. In this lesson, take a look at what a unit rate is, why people use unit rates, finding the unit rate, and an example of unit rates.