Answers

2016-03-15T15:17:46+05:30
Say, l=4x and b=3x
h=5.5 . area of 4 walls=2(l+b)h =77x.
also area of 4 walls=total costing/costing per sq. m=5082/6.6=77.
ATQ, 77x=77
or,x=1. l-4*1-1 and b-3*1-1.
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