Question: An anthropologist recorded the number of tools used by three tribes: 15, 22, and $ x $. The arithmetic mean is 20. What is the value of $ x $?

Question: An anthropologist recorded the number of tools used by three tribes: 15, 22, and $ x $. The arithmetic mean is 20. What is the value of $ x $? - Sterling Industries

📅 April 22, 2026 👤 scraface

Apr 22, 2026

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