ACT 2010 June(68C) Math Question 20 Explanation - ACT Helper

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2010 June(68C) Math Question 20
Ratios, Proportions, Percentages, Fractions
- LCM, GCF, Prime Numbers
Choice J
$50 = 2 \times 5 \times 5$ $30 = 2 \times 3 \times 5$ $70 = 2 \times 5 \times 7$ $[50, 30, 70] = 2 \times 3 \times 5 \times 5 \times 7 = 1050$
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