A lawn is 80 m long and 60 m wide. There is a swimming pool of length 20 m * 6 m in this lawn. what will be the cost of putting grass in the remaining part of field at Rs.30 per square metre?

2 answers

I will assume you mean that the whole property is
80 m by 60 m, and the swimming pool lies within.

area of whole thing = 4800 m^2
area of pool = 120 m^2

area of lawn = 4800-120 = ....

multiply that by Rs 30 to get the cost.
140400
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