<PRE><B>Question 498170</B>
We know that the formula for the perimeter of a rectangle is:

P = 2L + 2W


In this question, we are given the values for perimeter, P, and the width, W. We can substitute these values into the equation and solve for L:


P = 2L + 2W
49 = 2L + 2(6.5)
49 = 2L + 13
49 - 13 = 2L
36 = 2L
36/2 = L
L = 18


The length of the porch is 18 feet. Hope this helps!
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