Mathematics · Averages
The average age of A and B is 20 years. If C were to replace A, the average age would be 19 years, and if C were to replace B, the average age would be 21 years. What are the respective ages of A, B, and C?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 121, 20, 19
- 218, 22, 20
- 320, 20, 18
- 422, 18, 20✓
Correct answer
22, 18, 20
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