SOLUTION: If James does a job in 9 hours and with the help of Amber they can do it together in 2 hours, how long would it take Amber to do it alone? __________

SOLUTION: If James does a job in 9 hours and with the help of Amber they can do it together in 2 hours, how long would it take Amber to do it alone? ___________ hours Note: Write f

Question 932039: If James does a job in 9 hours and with the help of Amber they can do it together in 2 hours, how long would it take Amber to do it alone?
___________ hours
Note: Write fractional answers as a fraction in lowest terms.
Answer by josgarithmetic(39621) (Show Source): You can put this solution on YOUR website!
The rate for James and Amber working simultaneously is the sum of their individual rates. If x is the time for Amber to do 1 job alone, then .

The lowest common denominator is . Use elementary fraction skills and solve for x.
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