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
2
7 kilograms and 21 kilograms are equal in copper and zinc
Similar questions