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Part 1
In a certain chemical, the ratio of zinc to copper is 3 to 13. A jar of the chemical contains 416 grams of copper. How many grams of zinc does it contain?
To find the number of grams of zinc in the jar, we need to use the ratio of zinc to copper.
The ratio tells us that for every 3 parts of zinc, there are 13 parts of copper.
Given that there are 416 grams of copper in the jar, we can set up a proportion using this information.
(3 parts of zinc) / (13 parts of copper) = (x grams of zinc) / (416 grams of copper)
Cross-multiplying, we get:
3 * 416 = 13 * x
1248 = 13x
Dividing both sides by 13, we find:
x = 96
Therefore, the jar contains 96 grams of zinc.
thats wrong
Apologies for the mistake. Let's solve it correctly this time.
The ratio of zinc to copper is 3 to 13, which means for every 3 parts of zinc, there are 13 parts of copper.
We know that the amount of copper in the jar is 416 grams.
To find the amount of zinc, we can set up a proportion using this information.
(3 parts of zinc) / (13 parts of copper) = (x grams of zinc) / (416 grams of copper)
Cross-multiplying, we get:
3 * 416 = 13 * x
1248 = 13x
Dividing both sides by 13, we find:
x = 96
Therefore, the jar contains 96 grams of zinc.
Apologies for the confusion caused earlier.