Question

бассейн наполняется через 2 трубы за 6 часов. если вода поступает в бассейн только из первой трубы, то он наполнится за 10 часов. За какое время наполнится бассейн если вода поступает только из 2 трубы?

Answer 1

1/6 за час наполняется обеими
1/10 за час наполняется первой
1/6-1/10=5/30-3/30=2/30=1/15 за час наполняется второй
1-весь бассейн
1:1/15=15 (часов)
Ответ: вторая труба наполнит бассейн за 15 часов

Answer 2

Problem Analysis

We are given that a pool can be filled in 6 hours using two pipes, and it can be filled in 10 hours using only the first pipe. We need to determine how long it will take to fill the pool using only the second pipe.

Solution

Let's assume that the rate of filling the pool using both pipes is x units per hour. Since the pool can be filled in 6 hours using both pipes, the total capacity of the pool is 6x units.

We are also given that the pool can be filled in 10 hours using only the first pipe. Let's assume the rate of filling the pool using only the first pipe is y units per hour. Therefore, the capacity of the pool is 10y units.

To find the rate of filling the pool using only the second pipe, we subtract the rate of filling using the first pipe from the rate of filling using both pipes: x - y units per hour.

Now, we can set up the following equation to find the time it takes to fill the pool using only the second pipe: Time = Capacity / Rate

Substituting the values, we get: Time = (6x) / (x - y)

Let's calculate the time it takes to fill the pool using only the second pipe.

Calculation

Using the equation Time = (6x) / (x - y), we can substitute the given values: Time = (6 * x) / (x - y)

Since we don't have the specific values of x and y, we cannot calculate the exact time it takes to fill the pool using only the second pipe. However, we can provide the formula for calculating the time.

Answer

The time it takes to fill the pool using only the second pipe can be calculated using the formula Time = (6x) / (x - y), where x is the rate of filling the pool using both pipes and y is the rate of filling the pool using only the first pipe.

Please note that without the specific values of x and y, we cannot determine the exact time it takes to fill the pool using only the second pipe.