Distance between the two place is 35 kilometers . If two persons start running towards each other from these two place with a speed of 3 kil

Question

Distance between the two place is 35 kilometers . If two persons start running towards each other from these two place with a speed of 3 kilometers per hour and 4 kilometers per hour at 7.a.m . At what time do they meet​

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Trúc Chi 5 years 2021-08-03T17:45:56+00:00 1 Answers 19 views 0

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  1. hongcuc2
    0
    2021-08-03T17:47:04+00:00
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    The first person = A

    The second one = B

    velocity of A = 3 km / h

    velocity of B = 4 km / h

    Distance of A = 3t

    Distance of B = 35 – 4t

    At what time do they meet?

    3t = 35 – 4t

    7t = 35

    t = 5 hours

    7 a.m. + 5 hours = 12 p.m.

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