Example 1 The total cost of 5 textbooks and 4 pens is $ 32.00; the total cost of 6 other books of the same text and 3 pens is $ 33.00. Find the cost of each item. Solution: Let x = the cost of a book in dollars, y = the cost of a pen in dollars. Depending on the problem we obtain the two equations: 5x+4y =32 6x+3y=33 Example 2 I have $ 120.00 in 33 tickets at $ 5 and $ 2. How many tickets are $ 5 and how many $ 2? Solution: Let x = the number of tickets of $ 2 and y = the number of tickets $ 5. Under the terms: x + y = 33. Depending on the problem we obtain the two equations: x+y=33 2x+5y=133

Gemini inc.'s optimal cash transfer amount, using the baumol model, is $60,000. the firm's fixed cost per cash transfer of marketable securities to cash is $180, and the total cash needed for transactions annually is $960,000. on what opportunity cost of holding cash was this analysis based?

Peppy roaney believes that pizza is a much more versatile dish than most people realize. as the national marketing manager for pizza guys, he observed how consumers were delighted with barbecue pizza, hawaiian pizza, mexican pizza and other unique combinations. his suggestions for other unusual pizzas, however, were met with a negative response by his superiors. even some of his colleagues laughed at his ideas. peppy's confidence in his ability to understand the market has led him to focus on planning a business of his own. peppy realizes that he will take a risk when he leaves his job with pizza guys and embarks upon a new venture: peppy's pizzazzeria. peppy is excited about the potential of profitably catering to the unmet desires of pizza consumers. peppy is confident that peppy's pizzazzeria will be a success, but only if he has enough money to do things right. since peppy has very little personal wealth, he knows he must obtain financial assistance. in order to prepare for meetings with bankers and p

Emily spent her summer vacation in buenos aires, argentina, where she got plastic surgery for a fraction of what it would cost in the united states. this is an example of: