AMC 12A 2008 Problem 2

Past Contests AMC 12 AMC 12A - 2008
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1

What is the reciprocal of \dfrac{1}{2}+\dfrac{2}{3} ?

Answer Choices
A. \dfrac{6}{7}
B. \dfrac{7}{6}
C. \dfrac{5}{3}
D. 3
E. \dfrac{7}{2}