SOLUTION: IF IT TAKES JOE THREE HOURS TO MOW A LAWN WITH HIS LAWN MOWER AND IT TAKES TED SIX HOURS TO MOW THE SAME LAWN WITH HIS LAWN MOWER, HOW LONG DOES IT TAKE JOE AND TED WORKING TOGETHE
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Question 647832: IF IT TAKES JOE THREE HOURS TO MOW A LAWN WITH HIS LAWN MOWER AND IT TAKES TED SIX HOURS TO MOW THE SAME LAWN WITH HIS LAWN MOWER, HOW LONG DOES IT TAKE JOE AND TED WORKING TOGETHER TO MOW THE LAWN.
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
1/3+1/6=1/x
2/6+1/6=1/x
3/6=1/x crossmultiply
3x=6
x=6/3
x=2 hours when they work together.
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