Andy took a bus and then walked from his home to downtown. For the first 1.6 hour, the bus drove at an average speed of 15 km/h.

Question

Andy took a bus and then walked from his home to downtown.
For the first 1.6 hour, the bus drove at an average speed of 15
km/h. For the next 0.4 hours, he walked at an average speed
of 4.5 km/h. What was the average speed for the whole
journey?

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Kiệt Gia 5 years 2021-07-28T18:30:16+00:00 1 Answers 210 views 0

Answers ( )

  1. Sapo1
    0
    2021-07-28T18:31:27+00:00
    Reply

    Answer:

    12.9

    Explanation:

    1.6×15=24

    0.4×4.5=1.8

    24+1.8=25.8

    1.6+0.4=2

    25.8/2=12.9

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