SOLUTION: A rectangle has a length of 3x + 1 and width of of x. If the perimeter is 16 cm how long is each side.

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Question 969370: A rectangle has a length of 3x + 1 and width of of x. If the perimeter is 16 cm how long is each side.
Found 2 solutions by satyareddy22, stanbon:
Answer by satyareddy22(84) About Me  (Show Source):
You can put this solution on YOUR website!
l=3x + 1 , b = x
perimeter of rectangle = 16
2(l+b) = 16
2(3x+1+x)=16
4x+1=8
4x=7=>x=7/4
l=3x+1=3(7/4)+1=25/4=6.25
b=x=7/4=1.75

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A rectangle has a length of 3x + 1 and width of of x. If the perimeter is 16 cm how long is each side.
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P = 2(L+W)
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L+W = 16/2
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L+W = 8
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Solve for "x"::
3x+1 + x = 8
4x = 7
Width:: x = 7/4
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length:: 3x+1 = 3(7/4)+1
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Cheers,
Stan H.
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