Five persons can accommodate in a conical tent. If each person required 18 square decimeter place on warth and 108 cubic decimeter air for breathing, then find the height of the cone.

Explanation

To find the height of the conical tent that can accommodate five persons, we will follow these steps:

### Step 1: Calculate the total area required for five persons.
Each person requires 18 square decimeters of space. Therefore, for five persons:
\[ \text{Total area} = 18 \, \text{dm}^2 \times 5 = 90 \, \text{dm}^2 \]

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