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Write two ratios equivalent to 10 : 12.

User Bugaboo
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First, divide the ratio by 2:


10\colon12\rightarrow(10)/(2)\colon(12)/(2)\rightarrow5\colon6

Now, multiply it by two to get the second ratio:


10\colon12\rightarrow10\cdot2\colon12\cdot2\rightarrow20\colon24

Thereby, the two ther ratios would be


\begin{gathered} 5\colon6 \\ \text{and} \\ 20\colon24 \end{gathered}

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