a poster of size 60 CM by 40 cm is pasted on a cardboard by taking a margin of 2 cm along each side of the poster find the total area of the margin and the cost of the cardboard use @ rupees 1.85 per centimetre square
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Answered by
15
Area of poster = 60×40=2400 cm×cm
New length and breadth:
L=60+(2+2)
B=40+(2+2)
Area=64×44=2816 cm×cm
Area of margin=2816-2400=416 cm×cm
Cost=1.85×416= Rs 769.6
New length and breadth:
L=60+(2+2)
B=40+(2+2)
Area=64×44=2816 cm×cm
Area of margin=2816-2400=416 cm×cm
Cost=1.85×416= Rs 769.6
Answered by
7
rs = 769.6
hope it help you
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