Question

К Баку вместимостью 2100 л подведена труба,через которую наливается по 400 л воды каждый час. На дне бака образовалось отверстие,, через которое каждый час выливается 50 л воды. Через сколько часов бак будет полностью заполнен водой?

Answer 1

1) 400 - 50 = 350 л заполняемость бака
2) 2100 : 350 = 6 часов

Answer 2

Solution to the Water Tank Problem

To solve this problem, we can use a simple equation to determine the time it takes for the tank to be completely filled with water.

Let's calculate the time it takes for the tank to be completely filled with water.

Calculation

The net inflow of water per hour into the tank can be calculated as follows: - Inflow per hour = 400 liters - Outflow per hour = 50 liters - Net inflow per hour = 400 - 50 = 350 liters

Now, we can calculate the time it takes for the tank to be completely filled with water using the following formula: \[ \text{Time} = \frac{\text{Tank capacity}}{\text{Net inflow per hour}} \]

Substituting the given values: \[ \text{Time} = \frac{2100}{350} = 6 \text{ hours} \]

Answer

The tank will be completely filled with water in 6 hours.