Lemma
MediumRatio & rate
AQuA-RAT train #17908 · Arithmetic · Ratio & rate

A is twice efficient as B and together they do the same…

A is twice efficient as B and together they do the same work in as much time as C and D together. If C and D can complete the work in 20 and 30 daysrespectively, working alone ,then in how many days A can complete the work individually:

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #17908

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