Lemma
MediumDecimals & percentages
AQuA-RAT train #52523 · Arithmetic · Decimals & percentages

A jeweler has a 20 gram ring that is 60% gold and…

A jeweler has a 20 gram ring that is 60% gold and 40% silver. He wants to melt it down and add enough gold to make it 80% gold. How many grams of gold should be added?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #52523

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