Question

pipe x can fill a tank in 4 hours while pipe y can empty it in 6 hours . if both the pipes are opened simultaneously . how long will it take to fill the tank ​

Answer 1

Answer:

2 2/5 hours

Step-by-step explanation:

for the rate, find the reciprocal of each and add them together. 1/4 +1/6=5/12 find the reciprocal of that to get the answer.

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