document.write( "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? \n" ); document.write( "
Algebra.Com's Answer #439773 by Alan3354(69443)\"\" \"About 
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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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\n" ); document.write( "3/90 = 1/30 --> 30 minutes
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