A magician asked a member of his audience to choose any number. He said, Multiply your
Chapter 7, Problem 59(choose chapter or problem)
A magician asked a member of his audience to choose any number. He said, Multiply your number by 3. Add the sum of your number and 8 to that result. Now divide by the sum of your number and 2. The magician announced the final answer without asking the original number. What was the final answer? How did he know what it was?
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