Erectly a fencing around a square field costs 450 rupees.What will be the cost of covering with it granite(fencing costs rupees22.5/metre and covering cost rupees 37.25/square metre)?
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Step-by-step explanation:
perimeter of a square field=450
fencing cost 22.5rs per meter, 450 rs ÷22.5=20m²= the amount to be covered by granite
cost of granite =20×37.25=745rs
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