CALC 123

If 200 feet of fencing is used to enclose a rectangular plot of... If 200 feet of fencing is used to enclose a rectangular plot of land that borders a river, what is the maximum area that can be enclosed? Answer to the nearest square foot without commas. For example, if the answer is 1,000, write 1000. in the space below, provide the smaller of the two positive integers that add to 40 and have the largest possible product.