37. Of your portfolio consisting of ordinary ferred shares (y), 20% of the total are preferred shares, and there are 15 more ordinary shares than preferred shares. 38. Of your customer base, consisting of paid-up customers (x) and customers who still owe money (y), 75% of your cus- tomer base is paid up, the result being that there are 14,000 more paid-up customers than customers who owe money. Applications 39. Resource Allocation You manage an ice cream factory that makes two flavors: Creamy Vanilla and Continental Mocha. nur Into each quart of Creamy Vanilla go 2 eggs and 3 cups of cream. Into each quart of Continental Mocha go 1 egg and 3 cups of cream. You have in stock 500 eggs and 900 cups of cream. How many quarts of each flavor should you make in order to use up all the eggs and cream? [HINT: See Exam- ple 6.] ate опe 40. Class Scheduling Enormous State University's Math Department offers two courses: Finite Math and Applied Calculus. Each section of Finite Math has 60 students, and each section of Applied Calculus has 50 students. The department will offer a total of 110 sections in a semester, and 6,000 students would like to take a math course. How many sections of each course should the department offer in order to fill all sections and accommodate all of the and students? [HINT: See Example 6.] and 41. Nutrition Gerber Products' Gerber Mixed Cereal for Baby contains, in each serving, 60 calories and 11 grams of car- bohydrates. Gerber Mango Tropical Fruit Dessert contains, in each serving, 80 calories and 21 grams of carbohydrates." If you want to provide your child with 200 calories and 43 grams of carbohydrates, how many servings of each should you use? and and