ACT 2013 June(71C) Math Question 20 Explanation - ACT Helper

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2013 June(71C) Math Question 20
Word Problems
- Interesection
Least Common Multiple (LCM)
Choice J
$4 n = 14 m$ $\Rightarrow n = 7, m = 2$ $\Rightarrow t = 4 \times 7 = 28 s e c o n d s$
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