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Mathematics, 27.07.2019 22:30 magicalforlife
Ajeweler has 10 ounces of an alloy that is 50% gold. how much more pure gold does the jeweler need to add to this alloy, to increase the percentage of gold to 60%?
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Ajeweler has 10 ounces of an alloy that is 50% gold. how much more pure gold does the jeweler need t...
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