Lauren G.

asked • 02/08/16

Problems w/o Solutions

Eighteen-karat gold contains 18 parts by mass of gold to 6 parts of other metals. Fourteen=karat gold contains 14 parts of gold and 10 parts of other metals. How much eighteen-karat gold must be mixed with fourteen-karat gold to obtain 80kg of an alloy containing 17 parts of gold and 7 parts of other metals. 

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