Pre Algebra
posted by Cindy .
If you have 256 ft of fence for your yard. The lenth is 12 feet longer than twice the width. What are the dimensions?

width  x
length  x+12
2(x+x+12) = 256
2x+12 = 128
2x = 116
x = 58
58 by 70
check: 2(58) + 2(70) = 256