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03-08-2017
Mathematics

contestada

A man travels a distance of 20 miles at 60 miles per hour then returns over the same route at 40 miles per hour. Find the average rate per hour.

A)50
B)48
C)47
D)46

Respuesta :

choixongdong choixongdong

03-08-2017

average = (60 miles per hour + 40 miles per hour)/ 2 = 50 miles per hour
average rate per hour = 50

answer
50

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