Free Practice Question
PS · Problem Solving
605-655
Mixture
There are 2 bars of copper-nickel alloy. One bar has 2 parts of copper to 5 parts of nickel. The other has 3 parts of copper to 5 parts of nickel. If both bars are melted together to get a 20 kg bar with the final copper to nickel ratio of 5:11. What was the weight of the first bar?
Answer Choices
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1 kg
B
4 kg
C
6 kg
D
14 kg
E
16 kg
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Explanation
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Difficulty
605-655
Type
PS
Category