ACT 2009 December(68A) Math Question 15 Explanation - ACT Helper

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2009 December(68A) Math Question 15
Ratios, Proportions, Percentages, Fractions
- Percents & Fractions
Choice C
$\frac{1}{a} = 2$ $\frac{1}{b} = 3$ $\frac{1}{2} (\frac{1}{a} + \frac{1}{b})$ $= \frac{1}{2} (2 + 3)$ $= \frac{5}{2}$
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