Mathematics, 09.03.2020 17:00 jhanes1983

A metal alloy weighing 12 lb. and containing 60% platinum is melted and mixed with 8 lb. of a different alloy which contains 20% platinum. What percent of the resulting alloy is platinum?

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A metal alloy weighing 12 lb. and containing 60% platinum is melted and mixed with 8 lb. of a differ...