Lemma
MediumRatio & rate
AQuA-RAT train #13807 · Arithmetic · Ratio & rate

A boat crossed a lake from North to West at the speed…

A boat crossed a lake from North to West at the speed of 5 km/h, entered a river and covered twice as much distance going upstream at 4 km/h. It then turned around and stopped at the south shore of the lake. If it averaged 3.6 km/h that day, what was its approximate downstream speed?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #13807

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