Question

There is a square park of side length 7 m, if the cost of laying the grass in the field is Rs. 10 $m^2$​, find the total cost of laying grass in the field?
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Answer 1

Total cost of laying grass in the field = Area of the square park $\times$ Cost of laying grass per $m^2$

Area of the square park = 7 $\times$ 7 = 49 $m^2$​

Total cost of laying grass in the field = 49 $\times$ 10 = Rs. 490