Lemma
MediumAverages
AQuA-RAT train #11614 · Arithmetic · Averages

The average age of a group of 10 friends is 15 yr

The average age of a group of 10 friends is 15 yr. If one friend leaves the group, the average becomes 16 yr. Find the age of the friend who left the group.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #11614

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