. It can take 12 hours to fill a swimming pool using two pipes


If the pipe of larger diameter is used for four hours and the pipe of smaller diameter for 9 hours,

only half of the pool can be filled. How long would it take for each pipe to fill the pool separately?

Best Answer

Explanation:

The given data is,

The time required to fill the swimming pool using two pipes = 12 hours.

To fill the half of the pool,

The time for which the pipe of larger diameter is used = 4 hours.

The time for which the pipe of smaller diameter is used = 9 hours.

It is required to find the time that would take for each pipe to fill the pool separately.

Let the time taken by the larger pipe to fill the pool be x hours.

And, the time taken by the smaller pipe to fill the pool be y hours.

.Forming an equation

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