You have been assigned four programs to run. All are equally important. You can only run one program at a time. 1. The first program will take approximately 4 hours. 2. The second program will take approximately 3 hours. 3. The third program will take approximately 1 hour. 4. The fourth program will take approximately 1/2 hour. You have eight hours to complete these runs. Which programs should you run? A. 1, 2 B. 1, 2, 3 C. 1, 2, 4 D. 2, 3, 4
Question
You have been assigned four programs to run. All are equally important. You can only run one program at a time. 1. The first program will take approximately 4 hours. 2. The second program will take approximately 3 hours. 3. The third program will take approximately 1 hour. 4. The fourth program will take approximately 1/2 hour. You have eight hours to complete these runs. Which programs should you run? A. 1, 2 B. 1, 2, 3 C. 1, 2, 4 D. 2, 3, 4
Solution
The correct answer is D. 2, 3, 4. Here's why:
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Start by adding up the time it takes to run each program. The first program takes 4 hours, the second takes 3 hours, the third takes 1 hour, and the fourth takes 1/2 hour.
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If you run programs 1, 2, and 3, it will take 4 + 3 + 1 = 8 hours. This is exactly the amount of time you have, so you won't be able to run any other programs.
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If you run programs 1, 2, and 4, it will take 4 + 3 + 1/2 = 7.5 hours. This leaves you with 1/2 hour, which is not enough time to run the third program.
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If you run programs 2, 3, and 4, it will take 3 + 1 + 1/2 = 4.5 hours. This leaves you with 3.5 hours, which is not enough time to run the first program.
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Therefore, the only combination of programs that you can run in the given time is 2, 3, and 4.
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