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The average age of 3 friends is 24 years. A fourth friend joins and the average becomes 26 years. Find the age of the fourth friend (in years).

Competition practiceAverages & Ages
  • A30
  • B34
  • C28
  • D32

Step-by-Step Solution

Sum of 3 friends = 72; new sum = , so the fourth friend is 104 − 72 = 32 years old.
Answer: D) 32

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