Answer:
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Answer: 45kg
Explanation:
Since 25% of the ingot consists of zinc, it implies that (100 - 25) = 75% of copper is contained in the ingot.
We then calculate 75% of 60kg to get the amount of kilograms of copper that the ingot of brass contain. This will be:
= 75% × 60
= 75/100 × 60
= 0.75 × 60
= 45kg
Answer:
4. C 5. D 6. D. 7. B
Explanation:
Check if I am right before confirming your answers.
