Posted by **kit kat** on Sunday, December 4, 2011 at 2:29pm.

the perimeter of a rectangle is 68cm. the length is 2cm less than 3 times the width. find the length and width.

- algebra 1 -
**Henry**, Sunday, December 4, 2011 at 3:35pm
P = 68 cm.

Width = x-cm.

Length = (3x - 2).

P = 2x + 2(3x-2) = 68 cm,

2x + 6x - 4 = 68,

8x = 72,

X = 9cm.

3x - 2 = 3*9 - 2 = 25cdm.

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