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In a certain​ chemical, the ratio of zinc to copper is 3 to 19. A jar of the chemical contains 874 grams of copper. How many grams of zinc does it​ contain?
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In a certain​ chemical, the ratio of zinc to copper is 3 to 19. A jar of the chemical contains 874 grams of copper. How many grams of zinc does it​ contain?

User Hemant Kumar
by
4.5k points

1 Answer

2 votes

Answer:

138

Explanation:


(3)/(19) =
(x)/(874) cross multiply

19 x = 3(874)

19x = 2622 Divide both sides by 19

x = 138

User Lucas Fernandes
by
4.2k points
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