SOLUTION: When Tim and John work together they can mow their entire lawn in 4 hours and 36 minutes. John can mow the entire lawn by himself in 9 hours. How long will it take Tim to mow the e

Question 566530: When Tim and John work together they can mow their entire lawn in 4 hours and 36 minutes. John can mow the entire lawn by himself in 9 hours. How long will it take Tim to mow the entire lawn by himself?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add their rates of mowing to get rate working together
John's rate: ( 1 lawn ) / ( 9 hrs )
Rate working together: ( 1 lawn ) / ( 4.6 hrs )
Let = Tim's time in hrs to mow lawn by himself
Tim's rate: ( 1 lawn ) / ( t hrs )
-------------------------

Multiply both sides by

hrs
Use calculator to solve
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