problem 233 mathcounts

Mathematics
Tutor: None Selected Time limit: 1 Day

A runner completes the first mile of a 26-mile race in 5 minutes. After that, each mile takes 1% longer than the previous mile. How many minutes does it take the runner to complete 26 miles? Express your answer to the nearest whole number.

Oct 5th, 2014

First mile =5 minutes

Second mile = 5.05 minutes

etc 

Total time =147.63 minutes

See the attachment

runner_oct5.xlsx 


Oct 5th, 2014

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