121993soupcansam 121993soupcansam

26-04-2024
Mathematics

Answered

Pure gold is too soft to be used for jewelry, so gold is always mixed with other
metals. 18-karat gold is 75% gold and 25% other metals. How much pure gold
must be mixed with 5 oz of 18-karat gold to make a 22-karat (91.7%) gold
mixture?

Answer :

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