Question 21947
 a) w + 4 = l
length is longer than width by 4"
 b) 176" = 2w + 2l
this is the equation for the circumference
 c) 176" = 2(l-4) + 2l
solve a) for w and substitute in b)
 d) 176" = 2l - 8 + 2l
expanded
 e) 184" = 4l
and 8 to both sides and combine terms
 f) 46" = l
 g) 42" = w
plugging l into a) and solving for w