Math, asked by drWHo4310, 1 year ago

In two alloys, the ratios of copper to zinc are 5:2 and 3:4. How many kilograms of the first alloy and the second alloy respectively should be melted together to obtain 28kg of a new alloy with equal copper and zinc?

8kg and 20kg

4 kg and 24 kg

3 kg and 25 kg

7 kg and 21 kg

Answers

Answered by natraj75

4

last option 7kg and 21kg

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