1. What is the value of n in the proportion 1/2=3/n ?
A. 2
B. 3
C. 6
D. 12
2. What is the value of n in the proportion n/4=15/20 ?
A. 3
B. 5
C. 15
D. 60
3. What is the value of n in the proportion 2/n=4/14 ?
A. 2
B. 7
C. 8
D. 28
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