Respuesta :

Given data :

First ratio ,

[tex]\frac{8}{10}[/tex]

Now cancelling the numerator and denominator by 2 we get ,

[tex]\frac{8}{10}=\frac{4}{5}[/tex]

Second ratio ,

[tex]\frac{11}{20}[/tex]

The ratios are not equal , so they do not form a proportion.

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