5. In 1948, the Soviet Union blocked all water and land routes through East Germany, thus cutting off West Berlin from the aid of the United States and Great Britain. To counter-act this aggression, American and British planes flew humanitarian cargo into West Berlin to support the 2 million person population. While pay there was a desire to maximize the cargo sent, there were several limitations to the effort. Due to the airport size, only 44 planes could be used at a time. The American planes could hold 30,000 cubic feet of cargo, but required 16 people in the crew. In contrast, the British planes could hold 20,000 cubit feet of cargo, but required half the crew size of the American planes. No more than 512 crew members could be used at a time. Due to the larger size, American planes cost $9,000 to fly a mission, while British planes cost $5,000. The total flight costs were never to exceed $300,000. 10 (a) How many American and British planes were typically used to maximize the cargo were they able to deliv