# SOLUTION: One pump can fill a gasoline tank in 9 hours. With a second pump working simutaneously the tank can be filled in 5 hours. How long would it take the second pump to fill the tank op

Algebra ->  Algebra  -> Rate-of-work-word-problems -> SOLUTION: One pump can fill a gasoline tank in 9 hours. With a second pump working simutaneously the tank can be filled in 5 hours. How long would it take the second pump to fill the tank op      Log On

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 Click here to see ALL problems on Rate-of-work-word-problems Question 292118: One pump can fill a gasoline tank in 9 hours. With a second pump working simutaneously the tank can be filled in 5 hours. How long would it take the second pump to fill the tank operating alone?Answer by ankor@dixie-net.com(15624)   (Show Source): You can put this solution on YOUR website!One pump can fill a gasoline tank in 9 hours. With a second pump working simutaneously the tank can be filled in 5 hours. How long would it take the second pump to fill the tank operating alone? : Let x = 2nd pump time working alone : Let the completed job (full tank) = 1 : A typical shared work equation + = 1 multiply equation by 9x, results 5x + 9(5) = 9x : 5x + 45 = 9x : 45 = 9x - 5x : 45 = 4x x = x = 11.25 hrs, 2nd pump by itself : : Check solution + = .56 + .44 = 1