Lemma
MediumRatio & rate
AQuA-RAT train #78932 · Arithmetic · Ratio & rate

A,B,C can do a piece of work in 20days, 30days and 40days…

A,B,C can do a piece of work in 20days, 30days and 40days respectively, working alone. How soon can the work be done if A is assisted by B and C on alternate days?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #78932

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