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[text] A Common Mistake AB2 Alice and Bob can complete a job in 2 hours. AC73 Alice and Charlie can complete the same job in 3 hours. BC4 Bob and Charlie can complete the same job in 4 hours. 24BC9 ABC924.5 They takeworking together. But this makes no sense When three people work together it should take M Mind less time than when only two people work. But 4.5 hours is more time. So B oo this answer must be wrong the equations were set up incorrectly. ESE R 1 work in software development and everyone in that feld knows that the more programmers you assign to a task the longer it willtake.