Archana V.

asked • 07/19/18

Average Speed

An automobile traveled 7 hours at an average speed of 50 miles per hour. It averaged only 40 miles per hour on the return trip. The average speed per hour, to the nearest mile, for the round trip was
a) 46 miles per hour
b) 44 miles per hour
c) 43 miles per hour 
D) 47 miles per hour

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