Answer :

Since3122015
A ratio?

[tex] 2\frac{1}{2}:\frac{1}{2} =\\ \frac{5}{2}:\frac{1}{2}=\\ \frac{5}{2}* \frac{2}{1} : \frac{1}{2}* \frac{2}{1} =\\\frac{10}{2}: \frac{2}{2}=\\5:1[/tex]

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