A train traveled 260 miles in 4 hours. If the train’s average rate of travel increases by 12 mph, what is its new average rate of travel?

A. 77 mph
B. 65 mph
C. 60 mph
D. 48 mph

Respuesta :

Average rate = 260/4 = 65 mph

It increases by 12mph
So 65+12 = 77 mph

Correct option A
A)77mph. The train was going 65 mph at first . It increased by 12mph. 65 +12 =77.
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