Lemma
MediumRatio & rate
AQuA-RAT train #12230 · Arithmetic · Ratio & rate

A can do a work in 15 days and B in 20…

A can do a work in 15 days and B in 20 days. If they work on it together, then the number of days the whole work can be finished is:

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #12230

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