dylanpalau dylanpalau
  • 23-12-2016
  • Mathematics
contestada

He runs 15 kilometers in 72 minutes what is his speed in kilometers per hour

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Mehek
Mehek Mehek
  • 23-12-2016
Set proportions:

15/72 = x/60

Cross multiply:

15 * 60 = 72 * x

900 = 72x

Divide

12.5 = x
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Аноним Аноним
  • 23-12-2016
X=12.5 is your answer i think!
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