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Mathematics, 28.06.2019 20:30 jaylan11brown

Amental alloy weighing 4mg and containing 20% iron is melted and mixed with 12mg of a different alloy which contains 40% iron. what percent of the resulting alloy is iron?

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Amental alloy weighing 4mg and containing 20% iron is melted and mixed with 12mg of a different allo...
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