SOLUTION: A pipe can fill tank in 140 hrs B can fill in 210 hrs C can empty the tank in 280 hrs Wht will b the time required to fill the tank if all pipes wrk together..?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: A pipe can fill tank in 140 hrs B can fill in 210 hrs C can empty the tank in 280 hrs Wht will b the time required to fill the tank if all pipes wrk together..?      Log On


   



Question 976262: A pipe can fill tank in 140 hrs
B can fill in 210 hrs
C can empty the tank in 280 hrs
Wht will b the time required to fill the tank if all pipes wrk together..?

Answer by josgarithmetic(39618) About Me  (Show Source):