a rectangular Garden is 115 by 90 it has two roads is wide running in middle of it one parallel to its length and other parallel to its breadth find the cost of constructing the roads at hundred rupees per metre
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Step-by-step explanation:
Given,
A rectangular lawn 60 meters by 40 meters has two roads each 5 meters wide running in the middle of it one parallel to length and the other parallel to breadth
Area of the road=40×5+60×5−5×5
=200+300−25
=475sqm
Given,
Cost of graveling the roads =60 paise per sq meter.
∴475×60paise
=28500 paise
=Rs.285
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