SOLUTION: the width of a rectangle is 3 yards less than its legth. the perimeter is 130 yards. find the length and width of the rectangle show the work
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Question 252070: the width of a rectangle is 3 yards less than its legth. the perimeter is 130 yards. find the length and width of the rectangle show the work
Found 2 solutions by richwmiller, MRperkins:
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
P=2L+2W=130
W=L-3
Answer by MRperkins(300) (Show Source): You can put this solution on YOUR website!
let w represent width and L represent length (you usually use lower-case L but it looks very close to a 1 so I chose to use a capital letter to avoid confusion) example of 1's and l'sl1l1l1l1
w=L-3
the perimeter is the sum of all the sides and can be written as w+w+L+L=130
combine your like terms
2w+2L=130 <===official perimeter formula for a rectangle
Substitute L-3 for w
2(L-3)+2L=130
2L-6++2L=130
4L=136
L=34
Since w=L-3, then w=34-3 or w=31
Length=34, Width=31
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