graham drove 39 2/3 miles in 1 1/3 hours. What is the unit rate for miles per hour? Use a pencile and paper. Describe a situation in which the unit rate would be easier to work with than the given rate.

29.75 mph

Explanation:

(39 2/3) / (1 1/3) = 29.75

The unit rate is useful if you want to do calculations for arbitrary times or distances.

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