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Mathematics, 03.07.2020 22:01, Ksedro1998
8. A goldsmith has 130 grams of a gold alloy (a mixture of gold and one or more other metals) containing 85% pure gold. How
much pure gold must be added to this alloy to obtain an alloy that is 90% pure gold?
The amount of pure gold that should be added is
grams.
(Type an integer or a decimal.)
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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8. A goldsmith has 130 grams of a gold alloy (a mixture of gold and one or more other metals) contai...
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