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In a certain chemical, the ratio of zinc to copper is 3 to 16. Ajar of the chemical contains 560 grams of copper. How many grams of zinc does it contain?
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12 votes
In a certain chemical, the ratio of zinc to copper is 3 to 16. Ajar of the chemical contains 560 grams of

copper. How many grams of zinc does it contain?

User David Demetradze
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1 Answer

12 votes
You can use a simple proportion here. The grams of zinc are x. You multiply 16 by x and 560 by 3. You get 16x=1680. Divide both sides by 16. x=105. In conclusion, the answer is 105 grams of zinc.
User Sjlewis
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