SOLUTION: Working together, Manny and Kara can shovel the snow in 18 minutes. Working alone, it would take Kara 44 minutes. How long would it take Manny to shovel the snow by himself?

Question 1022624: Working together, Manny and Kara can shovel the snow in 18 minutes. Working alone, it would take Kara 44 minutes. How long would it take Manny to shovel the snow by himself?
Answer by josgarithmetic(39621) (Show Source): You can put this solution on YOUR website!
"Shovel snow" does not indicate HOW MUCH SNOW, but assume the shoveling of snow will be a constant quantity of snow and is ONE JOB.

Rate doing a job, RT=J.

Different people working at each different rate use unit of JOB AMOUNT per TIME.

Person            Rate 

MANNY              

KARA               

BOTH COMBINED

Common denominator is .

to two significant figures
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