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Mathematics, 23.06.2019 16:00 j015

Jonathan found a strange piece of metal. he took it to a science lab and found that the metal is 37.5% gold and 62.5% nickel. what is the ratio of gold to nickel a. 3 to 5 b. 7 to 9 c. 7 to 12 d. 9 to 15

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