To prove that the ratios \( \frac{2}{10} \), \( \frac{6}{30} \), \( \frac{10}{50} \), and \( \frac{12}{60} \) are equivalent, we can simplify each fraction.
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Simplifying \( \frac{2}{10} \): \[ \frac{2}{10} = \frac{2 \div 2}{10 \div 2} = \frac{1}{5} \]
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Simplifying \( \frac{6}{30} \): \[ \frac{6}{30} = \frac{6 \div 6}{30 \div 6} = \frac{1}{5} \]
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Simplifying \( \frac{10}{50} \): \[ \frac{10}{50} = \frac{10 \div 10}{50 \div 10} = \frac{1}{5} \]
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Simplifying \( \frac{12}{60} \): \[ \frac{12}{60} = \frac{12 \div 12}{60 \div 12} = \frac{1}{5} \]
After simplifying each fraction, we find that all of them reduce to \( \frac{1}{5} \).
Thus, the ratios \( \frac{2}{10} \), \( \frac{6}{30} \), \( \frac{10}{50} \), and \( \frac{12}{60} \) are equivalent.