SOLUTION: KARLA walks 1.5 miles in 15 minutes.How long will it take her to walk 4 miles?

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Question 534283: KARLA walks 1.5 miles in 15 minutes.How long will it take her to walk 4 miles?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
1.5/15=4/x
1.5x=60
x=60/1.5
x=40 minutes