The perimeter of a rectangular field is 960 m and length is 300 m. Find the cost of levelling it at the rate of $ 1.05 per m 2.
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Answer:
perimeter = 2(l+b)
960= 2(300+b)
960/2 =300+b
480-300=b
180=b
area =lxb
= 300×180
=54000
cost of levelling= 1.05×54000
=56700
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