SOLUTION: Justin runs 8 miles in 60 minutes. At the same rate, how many miles would he run in 39 minutes?

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Question 389756: Justin runs 8 miles in 60 minutes. At the same rate, how many miles would he run in 39 minutes?
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
For this one we write it as a proportion:
8/60=x/39
Cross multiply to get:
60x=312
Divide by 60 to get:
x=5.2 miles
make sense?
RJ
www.math-unlock.com