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

Algebra ->  Rate-of-work-word-problems -> 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      Log On


   

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) About Me  (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.