A door of dimensions 6×5 is fixed on a rectangular wall of dimensions 8m×9m.if the labour charged for painting 1m of the wall ₹3.find the total charged for painting the wall
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Answer:
area of door = 6×5=30 sq units
area of wall 8×9=72 sq m
total area = area of door + area of wall
30+72=102 sq m
cost of 1m =$3
cost of 1sq m = 3*3 = 9 sq m
cost of 102 sq m = 102 *9 = 918 rupees
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