AQuA-RAT train #71911 · Arithmetic · Averages

The average age of 12 students is 20 years

The average age of 12 students is 20 years. If the age of one more student is included, the average decreases by 1, what is the age of the new student?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #71911

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