Lemma
MediumDecimals & percentages
AQuA-RAT train #47390 · Arithmetic · Decimals & percentages

An alloy of copper and aluminum has 40% copper

An alloy of copper and aluminum has 40% copper. An alloy of Copper and Zinc has Copper and Zinc in the ratio 2:7. These two alloys are mixed in such a way that in the overall alloy, there is more aluminum than Zinc, and copper constitutes x% of this alloy. What is the range of values x can take?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #47390

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