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OpenStudy (anonymous):

An alloy is to be made from four alloys contain. The copper (Cu), nickel (Ni), zinc (Zn) and iron (Fe). The first is Cu and 20% Ni. The second is 60% Cu, 20% Ni, and 20% Zn and 40% Fe. How much of each is needed so that the final alloy has 56g Cu, 28g Ni, 10 g Zn and 6 g Fe?

OpenStudy (anonymous):

GUYS PLEASE ANSWER IT QUICKLY

OpenStudy (perl):

theres a typo in the question

OpenStudy (anonymous):

no The question is correct

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