Lemma
MediumRatio, proportion & variation
AQuA-RAT train #31756 · Algebra · Ratio, proportion & variation

Gold is 19 times as heavy as water and copper is 9…

Gold is 19 times as heavy as water and copper is 9 times heavy. In what ratio must these metals be mixed so that the mixture may be 15 times as heavy as water?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #31756

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