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Briana drew a rectangle with a width 5 inches shorter than its length. She measured the perimeter of the rectangle and found it to be 14 inches. Calculate the width of the rectangle.
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Briana drew a rectangle with a width 5 inches shorter than its length. She measured the perimeter of the rectangle and found it to be 14 inches. Calculate the width of the rectangle.

User Magzalez
by
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1 Answer

6 votes
P = 2(L + W)
P = 14
W = L - 5

14 = 2(L + L - 5)
14 = 2(2L - 5)
14 = 4L - 10
14 + 10 = 4L
24 = 4L
24/4 = L
6 = L.......the length is 6 inches

W = L - 5
W = 6 - 5
W = 1 <=== the width is 1 inch
User Shevi
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