SOLUTION: The perimeter of a rectangle is 31 cm. The lenghth is 3.5 longer than the width what is the lengh

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Question 790910: The perimeter of a rectangle is 31 cm. The lenghth is 3.5 longer than the width what is the lengh
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Width = x
Length = x + 3.5
Perimeter = 2*width + 2*length
31 = 2x + 2(x + 3.5)
31 = 2x + 2x + 7
4x = 31 - 7
4x = 24
x = 6.
Width = 6 cm
Length = 9.5 cm.
Hope this helps.
:-)