SOLUTION: Sam can do a job in X hours. Denise can do the same job in X+2 hours, How long will it take Sam and Denise to do the same job together? (Express your answer in terms of X.)

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Sam can do a job in X hours. Denise can do the same job in X+2 hours, How long will it take Sam and Denise to do the same job together? (Express your answer in terms of X.)      Log On


   



Question 627582: Sam can do a job in X hours. Denise can do the same job in X+2 hours, How long will it take Sam and Denise to do the same job together? (Express your answer in terms of X.)
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
y/x+y/(x+2)=1
x+1!=0, y = (x (x+2))/(2 (x+1)), x^2+2 x!=0