SOLUTION: A marathoner can run 3/4 of the race in 4/5 hour. At that rate how much of the course can she run in one hour?

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Question 912499: A marathoner can run 3/4 of the race in 4/5 hour. At that rate how much of the course can she run in one hour?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
%283%2F4%29hr%2F%284%2F5%29+=+1hr+%2F+x
(3/4)x = 4/5
x = %284%2F5%29%284%2F3%29 = 16/15 in one hour. 1 1/15 of course in 1hr