SOLUTION: Please someone help me. I am trying to help my 7th grader with is algebra 1 homework. Here is the problem. The width of a rectangle is one half its length. The perimeter of the rec

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Question 356108: Please someone help me. I am trying to help my 7th grader with is algebra 1 homework. Here is the problem. The width of a rectangle is one half its length. The perimeter of the rectangle is 24 inches. What are the width and length of the rectangle?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
w=L/2
L=2w
P=24"
P=2L+2w
2*2w+2w=24 Substitute 2w for L
6w=24
w=4"
L=8"
.
Ed