Question

find the cost of tilting a rectangular park of land 400 metres long and 100 metres wide rate of 8 rupee per 100 square metre​

Answer 1

$\bf\large\underline\pink{Solution:-}$

To tile a rectangular plot of land, we have to find the area of the plot.

Length = 400 m and Breadth = 100 m

Area = L × B 

= 3

400 × 100

Area of the plot = 40000 sq m

The cost of tiling per 100 sq m = $ 8

So, the total cost of tiling = (8 × 40000)/100

Total cost = $ 3200

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Answer 2

Answer:

Length of rectangular park (L) :- 400m

Breadth of the park (b) :- 100m

Area of the rectangular park:-

$l \times b \\ = > 400 \times 100 \\ = > 40000cm {}^{2}$

Cost of tilling :- 8 rupees/ 100 sq. m

$cost \: of \: tilling \: 1 \: cm {}^{2} = \frac{8}{100} rs$

So, cost of tilling 40000 sq. cm:-

$\frac{8}{100} \times 40000 \\ = > 8 \times 400 \\ = > 3200$

So, it will cost 3200rs.

Hope it helped you.