Farmer Brown has 3000 feet of fence to create a rectangular pen that will be adjacent to a river. He does not need to put any fence on the side that borders the river. Which of the following equations would represent the perimeter of this scenario
A. 2W + L = 3000
B. 2W = L
C. 2W-L=3000
D. W + L-1500
E. W+L=3000