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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answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.