Lemma
MediumAverages
AQuA-RAT train #42113 · Arithmetic · Averages

The average age of three boys is 20 years and their ages…

The average age of three boys is 20 years and their ages are in the proportion 2 : 3 : 5. The age of the youngest boy is:

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 #42113

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