AQuA-RAT train #28831 · Arithmetic · Averages
When a person aged 39 is added to a group of n…
When a person aged 39 is added to a group of n people, the average age increases by 2. When a person aged 15 is added instead, the average age decreases by 1. What is the value of R?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #28831
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