a farmer i susing 1800 feet of fencing to enclose a rectangular field and then subdivid e it into two equal sized pens. The fence that divides the pens is parallel to the field's shorter sides. find the dimensions of the field that yield a maximum area. Solve this without using calculus, then think about how you could use the first derivative test to solve the problem

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !