Respuesta :

A unit rate describes how many units of the first type of quantity corresponds to one unit. 
I unit rate is a normally a fraction with a denominator of one. 

How to find a unit rate...

50 miles / 5 hours ÷ 5 (divide by the denominator) = 10 miles/1 hour
10 miles / 1 hour is a unit rate.

HOPE THIS HELPED :)
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