Question

if the cost of fencing a rectangular park at the rate of rs 7.50 per metre is rs 600 and the length of the park is 24 m, find the breath of the park.

Answer 1

if perimeter is x metre
then, 7.5 ×x = 600
x = 600/7.5
x = 80
then 2(l+b)= 80
l+b= 40
24 + b = 40
b = 16 metre

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