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03-07-2020
Mathematics

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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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Аноним Аноним

03-07-2020

Answer:

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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