SOLUTION: Joe can mow the eighteenth fairway in 4 hours. Bob can do it in 3 hours. Joe, Bob, and Tom working together can do it in an hour and twenty minutes. How long would it take Tom to d
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Question 1029143: Joe can mow the eighteenth fairway in 4 hours. Bob can do it in 3 hours. Joe, Bob, and Tom working together can do it in an hour and twenty minutes. How long would it take Tom to do the job working alone? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Add their rates of mowing to
get rate mowing together
Joe's rate:
[ 1 job / 8 hrs ]
Bob's rate:
[ 1 job / 3 hrs ]
Let = Tom's rate for the job
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( hrs = 1 hr 20 min )
Multiply both sides by
Tom takes 2 hrs 40 min working alone
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check:
OK
