math

Rodney and Cauls’s houses having distance of eleven km Rodney start from his house by walking at the speed of 6 km / hr , Caouls at 5 km / hr at what distane they will meet , if Rodney start his journey later by 5 minutes then which time they will meet ?

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  1. A. d = 6t + 5t = 11 km.
    11t = 11.
    t = 1 hr. = Time they meet.

    d1 = 6km/h * 1h = 6km. = Distance Rodney
    traveled when they met.

    d2 = 5km/h * 1h = 5km = Distance Ca0uls
    traveled.

    B. 6(t-1/12) + 5t = 11 km.
    6t-0.5 + 5t = 11.
    11t = 11.5.
    t = 1.045 h.

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    posted by Henry

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