The length of a rectangular poster is 2 times its width. If the perimeter is 24 inches, what is the area of the poster?
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l= 2x
b= x
p= 24
p= 2(l+b)
24 = 6x
x=4
now
l= 8cm
b= 4cm
area = l×b
32cm^2 was the answer
b= x
p= 24
p= 2(l+b)
24 = 6x
x=4
now
l= 8cm
b= 4cm
area = l×b
32cm^2 was the answer
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