If \displaystyle\frac{1}{2n}+\frac{1}{4n}=\frac{3}{12}, then n equals
Answer Choices
A. 6
B. \frac12
C. \frac13
D. 2
E. 3
If \displaystyle\frac{1}{2n}+\frac{1}{4n}=\frac{3}{12}, then n equals
Answer Choices
A. 6
B. \frac12
C. \frac13
D. 2
E. 3