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## A large water tank has two inlet pipes (a large and a small one) and one outlet pipe. It takes 2 hours to fill the tank with t

Question

A large water tank has two inlet pipes (a large and a small one) and one outlet pipe. It takes

2

hours to fill the tank with the large inlet pipe. On the other hand, it takes

5

hours to fill the tank with the small inlet pipe. The outlet pipe allows the full tank to be emptied in

7

hours. Assuming that the tank is initially empty, what fraction will be filled in

1

hour if all three pipes are in operation? Your answer should be a fraction in simplest form, without spaces, e.g. 1/2.

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Mathematics
6 months
2021-07-19T00:12:55+00:00
2021-07-19T00:12:55+00:00 1 Answers
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## Answers ( )

Answer:2x+2

Step-by-step explanation: