Consider the following linear programming problem: Maximize 5X + 6Y Subject to: 4X + 2Y = 420 1X + 2Y = 120 all variable 20 Which of the following points (X,Y) is a feasible corner point? 0 (0,70) (100,15) (105,0) O (50,50) At a local fast-food joint, cars arrive randomly at a rate of 20 every 60 minutes. The fast food joint takes an average of 2.5 minutes to serve each arrival. The utilization factor for this system is: 0.125. 0.833. 0.041. 0.333. Jack built his lemonade stand out of $15,000 worth of plywood and paint. He sells a glass of lemonade for $10 and uses $2.5 of lemons, sugar and water to make his product. How many glasses of lemonade does he need to sell to break even? 2,000 1,500 6,000 8,000