Math, asked by bhoomi10, 1 year ago

The cost of laying grass in a rectangular park at the rate of rupees 10 per sq.m is rupees 4,800.Find the cost of constructing its boundary at the rate of rupees 800 per m if the park is 20m wide.

Answers

Answered by Monu631
32
Here, Cost of laying grass = 10 per sq. m
Total cost = 4800.
Area of park = 4800/10 = 480 sq.m.
Width of park = 20 m .
Length = 480/20 = 24 m.
Perimeter = 2(20+24) =88 m.
Cost of constructing boundary = 800 per m .
Total cost of constructing boundary = Rs 800*88 = Rs 70400.

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