Latest exam Aptitude Question SOLUTION: How many grams of pure silver must be mixed with 450grams of an alloy that is 10% copper in order to produce a sterling silver that is 7.5% copper?

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Previous Question: A number is 2 1/10 more than its reciprocal. Find the number. {2/3, 3/5, 5/4, 5/2} Please teach me how to do this in order by order!!! PLEASE!!! Thank you. Next Question: Hello, I need help finding the equation of the axis of symmetry and the coordinates of the vertex of the graph of: y=2x^2+4x-5 Thank you

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How many grams of pure silver must be mixed with 450grams of an alloy that is 10% copper in order to produce a sterling silver that is 7.5% copper?: Asked In exam (9 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: A number is 2 1/10 more than its reciprocal. Find the number. {2/3, 3/5, 5/4, 5/2} Please teach me how to do this in order by order!!! PLEASE!!! Thank you. Next Question: Hello, I need help finding the equation of the axis of symmetry and the coordinates of the vertex of the graph of: y=2x^2+4x-5 Thank you

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