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- Feb 14, 2012

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A person is working on a jigsaw puzzle that contains 1000 pieces. It is found that it takes 3 minutes to put the first two pieces together and that when $x$ pieces have been connected it takes $\dfrac{3(1000-x)}{1000+x}$ minutes to connect the next piece. Determine an accurate estimate of time (in hours) it takes to complete the puzzle.

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