SAT Ratios, rates, proportional relationships, and units Practice Question 5 (Easy)

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Math · Problem-Solving and Data AnalysisEasy

A car travels $270$ miles in $4.5$ hours. What is the car's average speed, in miles per hour?

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Answer: 60

Average speed is distance divided by time: $\frac{270}{4.5} = 60$ miles per hour.

Multiplying instead of dividing gives $1{,}215$ , which is not a speed.

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