SOLUTION: The width of a rectangle is 3 inches less than the length. The perimeter is 46 inches. Find the length and the width I would just like the equation to get to the answer. I have

Algebra ->  Sequences-and-series -> SOLUTION: The width of a rectangle is 3 inches less than the length. The perimeter is 46 inches. Find the length and the width I would just like the equation to get to the answer. I have      Log On


   



Question 1001915: The width of a rectangle is 3 inches less than the length. The perimeter is 46 inches. Find the length and the width
I would just like the equation to get to the answer. I have a few of these questions

Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
let w be the width and l be the length
w = l - 3
the perimeter(P) = 2w + 2l
46 = 2(l-3) + 2l
46 = 2l-6 + 2l
4l = 52
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l = 13
w = 13 -3 = 10