In 1978, Fed Ex made its first large aircraft purchase. Two aircraft were available: Boeing 727s and Dassault Falcon 20s with the data shown in the chart below. Which combination of planes should be purchased to maximize the number of aircraft under the following constraints? 1. Hourly cost of operation budgeted at $35,000/hour 2. Minimum payload of 672,000 pounds 3. Only 20 Boeing 727s are available

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  101i -11j +43k

Step-by-step explanation:

A suitable calculator can find the cross product for you, or you can evaluate the determinant ...