Mathematics, 22.07.2019 19:20 versaceblooper
Gold used to make jewerly is often a blend of gold, silver, and copper. consider three alloys of these metals. the first alloy is 75% gold, 5% silver, and 20% copper. the second alloy is 75% gold, 12.5% silver, and 12.5% copper. the third alloy is 37.5% gold and 62.5% silver. if 100 g of the first alloy costs $2500.40, 100 g of the second alloy costsnbsp $ 2537.75, and 100 g of the third alloy costs $ 1550.00, how much does each metal cost?
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Gold used to make jewerly is often a blend of gold, silver, and copper. consider three alloys of the...
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