Question

In an alloy, the ratio of copper and zinc is 5:2. If 1.250 kg of zinc is mixed in
17 kg 500g of alloy, then the ratio of copper and zinc in the alloy will be​

Answer 1

Answer:

The new ration of copper and zinc is 2:1.

Step-by-step explanation:

Actual Ratio = 5:2

Total number of parts = 5 + 2 = 7

Previous amount of Zinc = $\frac{2}{7}$ kg

Amount of Zinc = $\frac{2}{7}$ × 17.5 g

Amount of Zinc = 5 gram

New amount of Zinc = 5 g + 1.250 g

New amount of Zinc = 6.250 g

Amount of Copper = $\frac{5}{7}$ × 17.5 g

Amount of Copper = 12.5 gram

New ratio of copper and zinc = 12.5 g : 6.25 g

⇒ $\frac{12.5g}{6.25g}$

⇒ $\frac{2}{1}$ or 2:1

Therefore, the new ration of copper and zinc is 2:1.

Answer 2

Answer:

Above answer is correct

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Step-by-step explanation:

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