Business.A manufacturer produces two types of mechanical
Chapter 9, Problem 58(choose chapter or problem)
Business.A manufacturer produces two types of mechanical pencil lead: 0.5 millimeter and 0.7 millimeter. Past sales indicate that it is necessary to produce at least 50% more 0.5 millimeter lead than 0.7 millimeter lead. To meet demand, the manufacturer must produce at least 10,000 pieces of pencil lead per hour. a. Find a system of inequalities describing the production levels of pencil lead. Let x be the production level for 0.5 millimeter pencil lead and y be the production level for 0.7 millimeter pencil lead. b. Graph the system of inequalities describing the production levels of pencil lead. c. Use your graph in part (b) to nd two possible solutions.
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