An alloy is composed of nickel, zinc, and copper in a ratio of 3:4:13. How many kilograms of each metal are needed to make 4 kg of this alloy?

assuming that it is 3/4/13 by mass and not by atoms:

3x + 4x + 13 x = 4 kg

20 x = 4

x = .2 kg

Ni = 3x = .6 kg
Zn = 4x = .8 kg
Cu =13x = 2.6 kg

cheese

cheese is correct, barbra

O.6 kg ot nickel, 0.8 of of zinc, and 2.6 kg of copper

0.6 kilogram of nickel

0.8 kilograms of zinc
2.6 kilograms of copper

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incorrect :(

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noicE damon the demon

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I am disappointed to see that you students have used Brainly for the practice exam. I have come on this website to see if people actually searched this and I am heavily upset that so many did. I will be contacting the owner of RSM to make these exams closed so that no tabs can be opened. I am so annoyed at this because as teachers we need to know where you are struggling.

Mrs. Capro- Vice Head of RSM

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