In every gram of gold, a goldsmith mixes 0.25 grams of silver and 0.05 grams of oopper.
What is the percentage of
gold, silver and copper in every gram of gold?
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In every gram of gold, a goldsmith mixes 0.25 grams of silver and 0.05 grams of oopper.
What is the percentage of
gold, silver and copper in every gram of gold?
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