Posted by Austin on Sunday, August 12, 2012 at 10:59am.
The perimeter of a rectangle equals the sum of the lengths of its four sides. If the width of a rectangle is 4 inches and its perimeter is 36 inches, find the length of the rectangle.
The length of the rectangle is ?
My answer was 144, is this correct?

Algebra 1  Bosnian, Sunday, August 12, 2012 at 12:29pm
P = Perimeter
W = Width
L = Length
P = 2 W + 2 L
36 = 2 * 4 + 2 L
36 = 8 + 2 L Subtract 8 to both sides
36  8 = 8 + 2 L  8
28 = 2 L Divide both sides by 2
28 / 2 = 2 L / 2
14 = L
L = 14 in

Algebra 1  Karen, Saturday, October 13, 2012 at 2:45pm
never mind worked it out!!
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