SOLUTION: A rectangular garden is 8 metres longer than it is wide. If its area is 240m^2, how many metres is the width (ie. The shortest side)?
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Question 760480: A rectangular garden is 8 metres longer than it is wide. If its area is 240m^2, how many metres is the width (ie. The shortest side)?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Width = x
Length = x + 8
Area = Length * Width
240 = x(x + 8)
240 = x^2 + 8x
x^2 + 8x - 240 = 0
(x - 12)(x + 20)= 0
x = 12 x = -20 (no answer)
Width = 12m
Length = 20m
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