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14 February, 08:52

Your family is driving to the beach. You travel 200 kilometers in the first two hours. During the next hour, you stop for lunch and only travel 25 kilometers. What was your average speed?

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  1. 14 February, 12:31
    0
    Average speed throughout is 75 km/h.

    Step-by-step explanation:

    First two hours

    Distance Traveled = 200 km

    Time taken = 2 h

    Average speed = Total distance traveled / total time taken

    ⇒ 200 / 2

    ⇒ 100 km/h

    Next hour -

    Distance traveled = 25 km

    Time taken = 1 hr

    Average speed = Total distance traveled / total time taken

    ⇒ 25/1

    ⇒ 25 km/h

    Average Speed for total 3 hours -

    Average speed = Total distance traveled / total time taken

    Total distance traveled = (200 + 25) km

    total time taken = (2+1) hr

    ⇒ (200 + 25) / 3

    ⇒ 225 / 3

    ⇒ 75 km/h

    Average speed throughout is 75 km/h.
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