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Use the figure below showing the layout of a farmhouse:

If each banana tree requires 1.25 $m 2$ of ground space, then the number of banana trees that can there be in the orchard is ____.(Round off the answer to nearest tens)

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Detailed Solution

Given, ground space required by each banana tree is 1.25

m 2

.
The product of a rectangle's length and breadth gives its area.
Now, the length of the banana orchard is 20 m and its breadth is 15.7 m.
So, the total area of the banana orchard as per the definition of the area of a rectangle is,

= 20 × 15.7 = 314 m 2

Now, it is given that 1 banana tree requires 1.25

m 2

, so the total number of trees in the orchard will be the quotient of the area of the orchard and the individual area of a banana tree, i.e.,

= 314 1.25 = 251.2 ≈ 251

Therefore, the total number of trees that can be in the orchard is 251.
Hence, the correct option is 3.

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