12-12-2014
Mathematics

contestada

How long will it take to drive 200 miles if the driver's average speed is 55 mph?

Respuesta :

ricaria ricaria

12-12-2014

It will take 3hours and 38 mins

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Аноним Аноним

12-12-2014

We'll be looking for time here.

s=d/t

ts=d

t=d/s

------------------------

Average speed is:

s=(55m)/h

Distance is:

200m

---------------------------

t=(200m)/(55m/h)

t=(200m/1)*(h/(55m))

t=200/55*h

t≈3.64 hours

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