9. John drove for 3 hours at a rate of 50 miles per hour and for 2 hours at 60 miles per hour. What was his average speed for the whol

Question

9. John drove for 3 hours at a rate of 50 miles per hour and for 2 hours at 60 miles
per hour. What was his average speed for the whole journey?*
A. 22 mph
O
B. 110 mph
C. 51 mph
D. 54 mph

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Hải Đăng 4 years 2021-07-30T16:23:33+00:00 1 Answers 33 views 0

Answers ( )

  1. Giakhanh
    0
    2021-07-30T16:24:55+00:00
    Reply

    The average speed of his journey is 54 miles per hour which is D

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