Mathematics, 18.11.2020 06:50 GiuliAzevedo

At the fair, Kate found a strange machine with a sign on it labeled, "Enter a number." When she pushed the number 15, the machine displayed 9. When she entered 23, the machine displayed 17. Perplexed, she tried 100,
and the machine displayed 94. What is the rule the machine is using?

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At the fair, Kate found a strange machine with a sign on it labeled, "Enter a number." When she push...

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At the fair, Kate found a strange machine with a sign on it labeled, "Enter a number." When she pushed the number 15, the machine displayed 9. When she entered 23, the machine displayed 17. Perplexed, she tried 100, and the machine displayed 94. What is the rule the machine is using?

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Another question on Mathematics

At the fair, Kate found a strange machine with a sign on it labeled, "Enter a number." When she pushed the number 15, the machine displayed 9. When she entered 23, the machine displayed 17. Perplexed, she tried 100,
and the machine displayed 94. What is the rule the machine is using?