AQuA-RAT train #40981 · Arithmetic · Ratio & rate

Carl can wash all the windows of his house in 7 hours

Carl can wash all the windows of his house in 7 hours. His wife Maggie can wash all the windows in 4 hours. How many hours will it take for both of them working together to wash all the windows?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #40981

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