In an alloy of German silver, the ratio of copper to zinc was 19 : 6 w – McqOptions

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1.	In an alloy of German silver, the ratio of copper to zinc was 19 : 6 while that of nickel to zinc was 7 : 4. The ratio of copper to zinc to nickel in the alloy was:
A.	38 : 12 : 21
B.	133 : 42 : 24
C.	19 : 44 : 4
D.	19 : 24 : 7
Answer» B. 133 : 42 : 24

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