3 A car travels 100 km. The highest speed of the car is 90 km/h, and the lowest speed is 30 km/h. The journey takes two hours.

Question

3
A car travels 100 km. The highest speed of the car is 90 km/h, and the lowest speed is
30 km/h. The journey takes two hours.
What is the average speed for the journey?
30 km/h
С
A
50 km/h
D 90 km/h
B
60 km/h

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Kim Cúc 4 years 2021-07-27T14:45:49+00:00 1 Answers 34 views 0

Answers ( )

  1. danthu
    0
    2021-07-27T14:47:10+00:00
    Reply

    Answer:

    60

    Explanation:

    90+30=120:2=60km/h

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