SOLUTION: please help me solve this problem: the length of a rectangle is 4cm more than twice its width. the perimeter is 86cm. find the width and length.
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Question 99084: please help me solve this problem: the length of a rectangle is 4cm more than twice its width. the perimeter is 86cm. find the width and length. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! please help me solve this problem: the length of a rectangle is 4cm more than twice its width. the perimeter is 86cm. find the width and length.
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Let the width be "x" cm.
Then the length is "x+4" cm
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EQUATION:
2x + 2(x+4) = 86
x + x+4 = 43
2x = 39
x = 19.5 cm (this is the width)
x+4 = 23.5 cm ( this is the length)
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Cheers,
Stan H.
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