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Let the length of garden = x ft
therefore width of garden = (x/2)+2
Perimeter = 40 = 2*(Length +width)
or we can write ; 40 =2 *(x+x/2 +2)
or ; 20 =x + x/2 + 2
solving we get ; 3x/2 =18 (Equation)
x = 18*2/3 =12 ft (Length)
and width = x/2 + 2 = 8 ft
Answer : Length = 12 ft & Width = 8 ft
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Jun 19th, 2015
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