A man wants to enclose a rectangular garden adjacent to a river. The length of the rectangle is two times the width. How many linear feet of fence must he buy if he does not need fencing along the river and the perimeter of the rectangle is 240 feet?

The mountain springs water company has two departments, purifying and bottling. the bottling department received 67,000 liters from the purifying department. during the period, the bottling department completed 65,000 liters, including 3,000 liters of work in process at the beginning of the period. the ending work in process was 5,000 liters. how many liters were started and completed during the period?