SOLUTION: A biker rode 45 miles in 180 minutes. At what speed (in miles per hour) was the biker traveling?

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Question 471451: A biker rode 45 miles in 180 minutes. At what speed (in miles per hour) was the biker traveling?
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
180 minutes is 180%2F60=3hours
So, a biker rode 45 miles in 3 hours, s=45%2F3=15miles per hour was the speed