SOLUTION: [ The length of a rectangle is 6 cm more than three times the width. If the perimeter of the rectangle is 28 cm, what are the dimensions? ]

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Question 820713: [ The length of a rectangle is 6 cm more than three times the width. If the perimeter of the rectangle is 28 cm, what are the dimensions? ]
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
x = 3y + 6
2x + 2y = 28
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put the system of linear equations into standard form
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x - 3y = 6
2x + 2y = 28
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x= 12
y= 2
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answer:
length = 12 cm
width = 2 cm
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