In a certain chemical, the ratio of zinc to copper is 4 to 19. A jar of the chemical contains 760 grams of copper. How many gram
s of zinc does it contain?
1) 760 grams
2) 3,610
3) 30,400
4) 190 or 160 grams
1 answer:
160 grams of zinc. 760/ 19 is equal to 40 so then we’d want to multiple 4 x 40 because that’s how much were growing by so then zinc is 160 grams
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