Lemma
MediumAverages
AQuA-RAT train #5138 · Arithmetic · Averages

The average age of a group of n people is 15 years…

The average age of a group of n people is 15 years old. One more person aged 37 joins the group and the new average is 17 years old. What is the value of n?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #5138

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