The alloy contains 12% copper, 76% silver and 36 g of gold. What is the weight of the alloy?
December 12, 2020 | education
| Let’s determine the percentage of gold in the alloy, for this we subtract from 100 the percentage of other metals given to us.
100 – 12 – 76 = 12%
12% = 36 g
12 x = 36 g
Then 1% = 3 gr
100 * 3 = 300 grams
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