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Chemistry, 16.06.2021 05:00 jeanieb

A brass metal bar is made up of copper and zinc. (Between 50% to 70% is copper.) A brass metal bar weighs 20.15 ounces. 35% of the bar is zinc. How many ounces of copper are in the bar?

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A brass metal bar is made up of copper and zinc. (Between 50% to 70% is copper.) A brass metal bar w...

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