SOLUTION: The length of a rectangle is 4 cm less than 3 times the width. The perimeter is 88 cm. What are the dimensions of the rectangle??

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Question 486362: The length of a rectangle is 4 cm less than 3 times the width. The perimeter is 88 cm. What are the dimensions of the rectangle??
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
Let's have x be the width and 3x-4 be the length. Now we can set up the equation as:
2x+2(3x-4)=88
Combine like terms:
8x-8=88
Add 8 to both sides and divide by 8:
x=12
So we know the width is 12 cm and the length is 32 cm
Make sense?
RJ
www.math-unlock.com