The remaining percentage in True Naval brass after 60% copper and 1% tin is what?

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Multiple Choice

The remaining percentage in True Naval brass after 60% copper and 1% tin is what?

Naval brass is a copper-zinc alloy with a small amount of tin added. The percentages should sum to 100%. With 60% copper and 1% tin already specified, the remaining portion must be zinc: 100 − (60 + 1) = 39%. So the brass contains 39% zinc.

Naval brass is a copper-zinc alloy with a small amount of tin added. The percentages should sum to 100%. With 60% copper and 1% tin already specified, the remaining portion must be zinc: 100 − (60 + 1) = 39%. So the brass contains 39% zinc.

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