find the cost of a painting of a wall which has 3m lenth a nd 5m breath and 10ruppes per square
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Step-by-step explanation:
length of the wall = l = 3m
breadth of the wall = b = 5m
Area of the wall = l x b = lb = 5m x 3m = 15 sq .m
rate of painting = Rs10/sq. m
cost of painting = area of the wall x rate of painting
= 10 x 15 = Rs150
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Step-by-step explanation:
Area of a rectangular wall = l×b
= 5×3=15 sq m.
Cost of painting=15×10=Rs.150.
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