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The length of a room is 50% more than its breadth. The cost of carpeting the room atthe rate of 38.50 m2 is 924 and the cost of papering the walls at 3.30 m2 is R214.50. Ithe room has one door of dimensions 1 m x 2 m and two windows each of dimensions1 m Ă 1.5 m, find the dimensions of the room.I. |
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Answer» Let length (l)=x+1/2x=3/2xLet breadth (b)=xArea of floor=924×100/3850l×b=243/2x×x=243/2x^2=24x^2=24×2/3x^2=4^2x=4mArea of 4walls=1320×100/5502 (l+b) h=24010×h=240/2h=12ml=3/2×4=6mb=x=4m height and is not accurate |
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