Use the- two steps for solving a linear programming problem, given in the box on page 606, to solve the problems in Exercises 17-23.
In 1978, a ruling by the Civil Aeronautics Board allowed Federal Express to purchase larger aircraft. Federal Express's options included 20 Boeing 727s that United Airlines was retiring and/or the French-built $$$ Fanjet Falcon 20. To aid in their decision. executives at Federal Express analyzed the following data:
• ? Boeing 727 Falcon 20
Direct Operating Cost SI400 per hour $500 per hour
Pa>load -12.000 pounds 6000 pounds
Federal Express was raced with the following constraints:
• Hourly operating cost was limited to $35,000.
• Total payload had to be at least 672,000 pounds.
• Only twenty 727s were available.
Given the constraints, how many of each kind of aircraft should Federal Express have purchased to maximize the number of aircraft?
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ALGEBRA+TRIGONOMETRY(LL)-W/CODE>CUSTOM<
- Algebra for College StudentsAlgebraISBN:9781285195780Author:Jerome E. Kaufmann, Karen L. SchwittersPublisher:Cengage Learning