Beau’s sons are triplets. They are 16 years old today. Three years ago, the sum of his 3 sons’ ages equaled Beau’s age. How old is Beau today? Let's think first. Chain of thought:
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Three years ago, his sons were 16 - 3 = 13 years old. Three years ago, Beau was 13 + 13 + 13 = 39 years old. Today, Beau is 39 + 3 = 42 years old.
Therefore, the answer is 42.
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