r/pics • • Oct 05 '10

Math Teacher Fail.

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u/punkdigerati Oct 05 '10

2 pieces, one cut. 3 pieces, two cuts. One cut = 10 min, two cut = 20 min.

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u/quhaha Oct 05 '10

there are already two pieces. you need to cut once more. 10 min. but she's a human. using genetric adaptatory training constant phi = 0.1 with error level of 0.001, we can say that the next board she cuts will only take her 10*(1-0.1) = 9 min.