Question

At a beach, a rectangular swimming area with

dimensions c and y meters and a total area of

4,000 sq. meters is marked off on three sides with

rope, as shown above, and bounded on the fourth

side by the beach. Additionally, rope is used

to divide the area into three smaller rectangular

sections. In terms of y, what is the total length in

meters, of the rope that is needed both to bound

the three sides of the area and to divide it into

sides?