Question
A rectangular lawn is 16m×40m and has two roads each 5m wide running in the middle of it one parallel to its length and other to breadth . find the cost of constructing the roads at the rate of =80 rupees per square metre
Answers
one is 16 * 5
the other is (40 - 5) = 35 *5
so
80 *5 [ 16+35 ] = 80*5*51-
the other is (40 - 5) = 35 *5
so
80 *5 [ 16+35 ] = 80*5*51-
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