Question: A spinner is divided into ten equal sectors numbered 1 through 10 in random order. If you get an even number, you add that number

A spinner is divided into ten equal sectors numbered 1 through 10 in random order. If you get an even number, you add that number to your score. If you get an odd number, you subtract that number from your score. The game is over when your score reaches either + 50 or - 50. How many spins do you expect a typical game to last?

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