July 2018 Problem of the Month

A manager needs to build a new house, so he hires a worker to build it. The manager says that the house will take 7 days to complete, he will pay the worker with his 7 pound gold bar. However, the worker demands that he should get paid before he does the work. As a compromise, the worker and the manager agree that at the end of each days work, the worker will get paid one pound of gold. This means the worker will have 1 pound of gold after the first day, 2 pounds after the second, and so on. However, you only have one 7 pound gold bar, and your knife is only sharp enough to cut the gold bar twice. How should you cut the gold bar to pay the worker accordingly? Remember to send all answers to

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