SOLUTION: Pump A delivers water at twice the rate of pump B. If both pumps operate together, a tank of 18 000 liters capacity can be filled in 30 minutes. Find the pumping rate of each pump,

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Question 1194426: Pump A delivers water at twice the rate of pump B. If both pumps operate together, a tank of 18 000 liters capacity can be filled in 30 minutes. Find the pumping rate of each pump, in liters per minute.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Pump A, rate of 2r
Pump B, rate of r
COMBINED RATE, 18000/30 Liters per minute

2r%2Br=18000%2F30-------simplify and solve.