1.

The ratio of copper and zinc in an alloy is \[7:8\]If the weight of zinc is \[9.6\text{ }kg,\] what is the weight of copper in the alloy?

A.  \[9.4\text{ }kg\]          
B.         \[8.8\text{ }kg\]
C.  \[8.4\,kg\]       
D.         \[4.8\text{ }kg\]
Answer» D.         \[4.8\text{ }kg\]


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