dylanpalau dylanpalau

23-12-2016
Mathematics

contestada

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

Respuesta :

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!

Answer Link

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