rosegarica28 rosegarica28

14-11-2021
Mathematics

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In a certain chemical the ratio of zinc to copper is 4 to 15. A jar of the chemical contains 345 of copper how many grams of zinc does it contain ?

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Аноним Аноним

14-11-2021

Answer:

92.

Step-by-step explanation:

By proportion the mass of zinc = (345/ 15) * 4

= 92.

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