SOLUTION: Kim can walk at an average rate of 3.5 miles an hour. How long will it take her to walk 21 miles?

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Question 1069507: Kim can walk at an average rate of 3.5 miles an hour. How long will it take her to walk 21 miles?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
d = r*t
t = d/r