Answer:
OK please mark me as brainliest then
Explanation:
60 kg of an alloy of copper and zinc contains 60% copper. How much copper must be added into it to make an alloy containing 80%copper?
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Answer:
OK please mark me as brainliest then
Explanation:
60 kg of an alloy of copper and zinc contains 60% copper. How much copper must be added into it to make an alloy containing 80%copper?