the area of a rectangular painting is 15m². If it's length is 5m, how much will it cost to put a wooden border around it at ₹15 per meter.
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area of rectangular painting is 15m2
area = l×b
15m2= 5×b
15m2= 5b
b= 15/5
b=3m
cost = 15 ×3
45RS
area = l×b
15m2= 5×b
15m2= 5b
b= 15/5
b=3m
cost = 15 ×3
45RS
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