Question 1108183
 length =l
width = l-8
p = 56
p= 2(l+w)
56 = 2 ( l +l -8 )
56 = 2( 2l -8 )
56 = 4i -16
4l = 56=16
4l = 72
l= 18
w = l - 8
w = 18 - 8
w = 10