What would be the cost of lying carpet on a floor which has length and breadth in the respective ratio of 32:21 and perimeter 212 feet, if the cost per square foot of lying carpet is Red. 2.5
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P=2(l+b)
212=2(32x+21x)
212=2×53x
212=106x
x=212÷106
x=2
length=2×32=64
Breadth=2×21=42
Area=64×42=2688
Cost=2.5×2688=6720
6720 is the correct answer
212=2(32x+21x)
212=2×53x
212=106x
x=212÷106
x=2
length=2×32=64
Breadth=2×21=42
Area=64×42=2688
Cost=2.5×2688=6720
6720 is the correct answer
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2
Answer:6720
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