The owner of a cattle ranch would like to fence in a rectangular area of 2000000 m2 and then divide it in half with a fence down the middle. What is the minimum amount of fencing that the rancher must use? Answer: m Find two positive numbers whose product is 121 and whose sum is a minimum. List them in nondecreasing order. Answer: Note: Separate the answers by a comma. The manager of a large apartment complex knows from experience that 80 units will be occupied if the rent is 350 dollars per month. A market survey suggests that, on the average, one additional unit will remain vacant for each 1 dollar increase in rent. Similarly, one additional unit will be occupied for each 1 dollar decrease in rent. What rent should the manager charge to maximize revenue? Answer: :5 [Recall: Revenue is the product of price per unit and number of units rented.]