If a person walks at 15 km/hr instead of 9 km/hr, he…

If a person walks at 15 km/hr instead of 9 km/hr, he would have walked 20 km more. The time traveled by him is?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #6003

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