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1. [-/3 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The Enormous State University History Department offers three courses-Ancient, Medieval, and Modern History-and the chairperson is trying to decide how many sections of each to offer this semester. The department is allowed to offer 46 sections total, there are 5,300 students who would like to take a course, and there are 63 professors to teach them. Sections of Ancient History have 100 students each, sections of Medieval History hold 50 students each, and sections of Modern History have 200 students each. Modern History sections are taught by a team of two professors, while Ancient and Medieval History need only one professor per section. How many sections of each course should the chair schedule in order to offer all the sections that they are allowed, accommodate all of the students, and give one teaching assignment to each professor? HINT [See Example 2.] (Assume each section has the maximum number of students allowed.) Ancient History (No Response) sections Medieval History (No Response) sections Modern History (No Response) sections Need Help? Read It 2. [-/3 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Suppose in one year, total revenues from digital sales of pop/rock, tropical (salsa/merengue/cumbia/bachata), and urban (reggaeton) Latin music in a certain country amounted to $24 million. Pop/rock music brought in twice as much as the other two categories combined and $11 million more than tropical music. How much revenue was earned from digital sales in each of the three categories? pop/rock music $ (No Response) million tropical music $ (No Response) million urban Latin music $ (No Response) million Need Help? Read It 3. [-/3 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER In Example 2 we saw that Airbus A330-300s seat 330 passengers and cost $250 million each, Boeing 767-300ERs seat 270 passengers and cost $200 million each, while Boeing Dreamliner 787-9s seat 240 passengers and cost $250 million each. You are the purchasing manager of an airline company and have a spending goal of $4250 million for the purchase of new aircraft to seat a total of 5010 passengers. Your company has a policy of supporting U.S. industries, and you have been instructed to buy twice as many Boeings as Airbuses. Given the selection of three aircraft, how many of each should you order? Airbus A330-300s (No Response) Boeing 767-300ERs (No Response) Boeing Dreamliner 787-9s (No Response) Need Help? Read It Master It4. [-/3 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The following table shows the amount spent by four U.S. airlines to fly one available seat 1 mile in the second quarter of 2014.+ Set up a system and then solve using technology. HINT [See the technology note accompanying Example 1.] United Airline American JetBlue Southwest Continental Cost (+) 14.9 14.6 11.9 12.4 Suppose that, on a 3,000-mile New York to Los Angeles flight, United Continental, American, and Southwest flew a total of 260 empty seats, costing them a total of $111,270. If United Continental had three times as many empty seats as American, how many empty seats did each of these three airlines carry on its flight? United Continental (No Response) empty seats American "No Response) empty seats Southwest (No Response) empty seats Need Help? Read It 5. [-/3 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Investing: Lesser-Known Stocks The following question is based on the following information about the stocks of Whitestone REIT, HCC Insurance Holdings, Inc., and SanDisk Corporation. + Price Dividend Yield ($) WSR 16 7 (WSR Whitestone REIT) HCC (HCC Insurance Holdings, Inc.) 56 2 SNDK 80 2 (SanDisk Corporation) You invested a total of $10,400 in shares of the three stocks at the given prices, and expected to earn $248 in annual dividends. If you purchased a total of 200 shares, how many shares of each stock did you purchase? WSR (No Response) shares HCC (No Response) shares SNDK (No Response) sharesMY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 6. [-/4 Points] DETAILS Internet Audience At the end of a certain year, the four companies with the largest number of home Internet users in the United States were Microsoft, Time Warner, Yahoo, and Google, with a combined audience of 284 million users. Taking x to be the Microsoft audience in millions, y the Time Warner audience in millions, z the Yahoo audience in millions, and u the Google audience in millions, it was observed that U = 3(x - y) + 26 y = 46+z+ u and x - y + z = 54. How large was the audience of each of the four companies at the end of that year? Microsoft (No Response, Time Warner (No Response) Yahoo (No Response, Google (No Response) Need Help? Read It