Can someone walk me threw this problem?
(Intro to Technical Mathematics) I have to do to the unit analysis to make the the necessary conservation.

A marathon is a long distance running event that covers a distance of 26.2 miles. If the average runner can run 515 feet in one minute, how many hours will it take to complete the marathon.

Question

Can someone walk me threw this problem? 
(Intro to Technical Mathematics) I have to do to the unit analysis to make the the necessary conservation.  

A marathon is a long distance running event that covers a distance of 26.2 miles. If the average runner can run 515 feet in one minute, how many hours will it take to complete the marathon.

anonymous · Answer

well convert the 26.2 miles to feet first

anonymous · Answer

138336, right?

anonymous · Answer

yes, then put it all in a proportion

anonymous · Answer

What do you mean?

anonymous · Answer

divide 138336 by 515 to get how many minutes he will run it in

anonymous · Answer

I know how to do that. I have to show my work |dw:1346188962532:dw|