Water flows in a tank `150 mx100m` at the base, through a pipe whose cross-section is `3d m` by `1.5dm` at the speed of 15 km per hour. In what time, will the water be `3m e t r e s` deep?

Explanation

To solve the problem step by step, we need to find out how long it will take for the water to reach a depth of 3 meters in the tank.

### Step 1: Calculate the volume of water needed to fill the tank to a depth of 3 meters.
The formula for the volume of a cuboid (or tank) is:
\[ \text{Volume} = \text{Length} \times \text{Breadth} \times \text{Height} \]

Given:
- Length = 150 m
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