SOLUTION: Jenny can swim 3 miles in 90 minutes. She can swim 2 miles in 60 minutes. How long does it take her to swim 1 mile?

Question 716189: Jenny can swim 3 miles in 90 minutes. She can swim 2 miles in 60 minutes. How long does it take her to swim 1 mile?
Found 2 solutions by josmiceli, Alan3354:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
( 3 miles ) / ( 30 min ) = ( 1 mile ) / ( 10 min )
( 2 miles ) / ( 60 min ) = ( 1 mile ) / ( 10 min )
It takes her 10 min to swim 1 mile

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Jenny can swim 3 miles in 90 minutes. She can swim 2 miles in 60 minutes. How long does it take her to swim 1 mile?
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3/90 = 1/30 --> 30 minutes

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