Mathematics, 04.12.2020 08:20 lusa0720

Jess has 60 ounces of a metal alloy (mixture) that is 40% pure gold. (The other 60% is some other metal.) If Jess adds 10 more ounces of pure gold to the 60 ounces of alloy, he will then have 70 ounces of alloy. What will the percentage of gold in this alloy?

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Jess has 60 ounces of a metal alloy (mixture) that is 40% pure gold. (The other 60% is some other me...

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