Lemma
MediumAverages
AQuA-RAT train #1313 · Arithmetic · Averages

The average age of seven persons sitting in a row facing east…

The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons is 25 years and the average age of the last three persons is 34 years, then find the age of the person sitting in the middle of the row?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #1313

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