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

2 Answers

4 votes
X=12.5 is your answer i think!
User Franz Andel
by
8.2k points
5 votes
Set proportions:

15/72 = x/60

Cross multiply:

15 * 60 = 72 * x

900 = 72x

Divide

12.5 = x
User CPR
by
8.6k points