SOLUTION: Please help me solve this problems 1) A pump can fill a milk tank in 2hours. Because of leakage problem,it took 20minutes more to fill the tank . The plant superviser wants to fin

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Please help me solve this problems 1) A pump can fill a milk tank in 2hours. Because of leakage problem,it took 20minutes more to fill the tank . The plant superviser wants to fin      Log On


   

Question 923542: Please help me solve this problems
1) A pump can fill a milk tank in 2hours. Because of leakage problem,it took 20minutes more to fill the tank . The plant superviser wants to find that how much time would the leak take to empty a full tank
2)
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
Same question done less than a week ago.

The pump, 1%2F2 tanks per hour
The leak, -1%2Fx tanks per hour
Combined pump and leak, 1%2F%282.5%29 tanks per hour.

Obviously the rates are additive; and the leak is negative.