A rectangular lawn 75 m by 60m has two roads each 4m wide running in the middle of it,one parallel to lenght and the other parellel to breadth.Find the cost of gravelling the roads at rs 14.50 per sq metre
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Area of road=4*75+4*60
=300+240
=540
cost=area*rate
540*14.50
=7830
=300+240
=540
cost=area*rate
540*14.50
=7830
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