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In a certain​ chemical, the ratio of zinc to copper is 3 to 13. A jar of the chemical contains 429 grams of copper. How many grams of zinc does it​ contain?

User Iamnotsam
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1 Answer

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Answer: 93 grams Zinc

Explanation:

cross multiply, and solve for the variable:3(403) = 13(x)3(31) = x93 = x .

User Chi
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