Lemma
MediumRatio & rate
AQuA-RAT train #1509 · Arithmetic · Ratio & rate

A man can row 30 km downstream and 20 km upstream in…

A man can row 30 km downstream and 20 km upstream in 4 hours. He can row 45 km downstream and 40 km upstream in 7 hours. Find the speed of man in still water?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #1509

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