Use a system of inequalities to represent the situations described in Exercises 61 – 68, then solve the system using the methods developed in this section. In drawing the graph of your solution set, you may want to take into consideration that certain quantities cannot be negative and therefore you may want to restrict the solution set appropriately as we did in Example 9.
Manufacturing. Scott owns a manufacturing company that produces two models of entertainment centers. The Athens requires 4 feet of fancy molding and on average takes 4 hours to manufacture. The Barcelona needs 15 feet of molding and 3 hours to manufacture. In a given week, there are 120 hours of labor available, and the company has 360 feet of molding to use for the centers.
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Mathematics All Around (6th Edition)
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