Saturday, February 1, 2014

Dante's Infernal Puzzle Collection -- 1. Fontana

Elementary algebra. Essentially, the question asks: "If 1/4 of 20 becomes 4, what does 10/3 become?

1/4 of 20 is 5.
5 became 4 --> the initial value (5) has been reduced to 4/5 of itself.
Thus we multiply 10/3 by 4/5 --> 10/3 * 4/5 = 8/3.

Answer: 8/3

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