Question
i have 25 pounds of sliver alloy that cointain 8 ounces of pure silver per pound and 16 pounds that have 9.5 ounces of sliver
i have 25 pounds of sliver alloy that cointain 8 ounces of pure silver per pound and 16 pounds that have 9.5 ounces of sliver per pound. How much copper must be added to the total so that I can make coins containing 7.5 ounces of silver per pound?
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Materials Science and Engineering An Introduction
Authors: William D. Callister Jr., David G. Rethwisch
9th edition
978-1118546895, 111854689X, 978-1118477700, 1118477707, 1118324579, 978-1118324578
