a rectangular lawn 80 × 60 m has two roads each 10m wide running running in the middle of it , one parallel to the length and the other parallel to the breadth. find the cost of gravelling them at rs 1.20 per sq metre
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length =80-10=70
width=60-10=50
area =70×50=3500
cost of gravelling =1.20×3500
=4200Rs
width=60-10=50
area =70×50=3500
cost of gravelling =1.20×3500
=4200Rs
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