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21 May, 20:22

Jill is 18 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 3 kilometers per hour. They meet in 4 hours. How fast is Joe walking?

O A 3.5 km/h

OB 3 km/hr

Oc 1.5 km/hr

2.5 km/hr

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Answers (1)
  1. 21 May, 23:26
    0
    How fast is Joe walking?

    v (Joe) = 1.5km/h

    Step-by-step explanation:

    v = d/t = > d = v·t

    Jill

    d = 3km/h·4h = 12 km

    Joe

    d = 18km - 12km = 6km

    v = d/t = 6km/4h = 1.5 km/h
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