jakepoinsett2005 jakepoinsett2005

01-03-2021
Mathematics

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a jeweler wants to mix gold costing $17 per gram with an alloy costing $7 per gram to make a ring weighing 30 grams and costing $390. how much of each metal is needed

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Alyssah1025 Alyssah1025

01-03-2021

Answer:

15 grams of each

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