Solution Puzzle 3) Choose a Number between 1 and 9
Following the required steps, the value of the last number = W + 5 * (2V+5).
If we expand this, we get: (2V + 5) x 5 + W = 10 V + 25 + W
Subtracting 25 from the answer, we get = 10V + W = Voila!
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