document.write( "Question 850604: my question is a word problem that I can't solve which is this:
\n" ); document.write( "Jack usually mows his lawn in 7 hours.Marilyn can mow the same yard in 5 hours. How much time would it take for them to mow the lawn together?
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Algebra.Com's Answer #512280 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
1/7*60+1/5*60=1/t
\n" ); document.write( "t = 175 minutes
\n" ); document.write( "180 minutes is three hours
\n" ); document.write( "t=2 hours 55 minutes
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