Lemma
MediumAverages
AQuA-RAT train #10583 · Arithmetic · Averages

The average age of a class of 39 students is 15 years

The average age of a class of 39 students is 15 years. If the age of the teacher be included, then the average increases by3 months. Find the age of the teacher.

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #10583

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