SOLUTION: Working together, Tumelo and Jan can sand a floor in five eights of the time that it takes Jan to sand it by himself. Jan takes 6 hours to sand the floor alone. How long does it t

Question 1140362: Working together, Tumelo and Jan can sand a floor in five eights of the time that it takes Jan to sand it by himself. Jan takes 6 hours to sand the floor alone. How long does it take Thumelo to sand the floor by himself
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Jan's rate of working is
[ 1 floor sanded ] / [ 6 hrs ] =
Let = Thumelo's time working alone

Add their rates of working to get their rate working together

Multiply both sides by

It takes him 10 hrs working alone
---------------------------------------
check:

Multiply both sides by

OK
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