How much of each type is needed to produce 12 kg of alloy
An alloy of copper and silver containing 60% pure silver is mixed with another alloy, also of copper and silver containing 65% pure silver. How much of each type is needed to produce 1.2 kg of alloy containing 62% pure silver?
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an alloy of copper and silver containing 60 pure silver is mixed with another alloy also of copper and silver
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