In a certain chemical, the ratio of zinc to copper is 3 to 14. A jar of the chemical contains 504 grams of copper. How many grams of zinc does it contain?

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

answer: for each 3 girls there is 2 boys . 3: 2

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