SOLUTION: The length of a rectangle is 3 more than twice the width. If the perimeter is 126 inches, find the width of the rectangle.
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Question 20885: The length of a rectangle is 3 more than twice the width. If the perimeter is 126 inches, find the width of the rectangle.
Answer by algebrapro18(249) (Show Source): You can put this solution on YOUR website!
since perimater of a rectangle is p=2L+2w we just plug in to that and get
P=2L+2w where p=126 l=3+2w w=w
126=2(3+2w)+2w
126=6+4w+2w
126=6+6w
120=6w
20=w
so the width = 20 inches
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