Respuesta :

jcultr4s3nse

Answer:

20/18

Step-by-step explanation:

Multiply both terms by the same value and you get an equal ratio.

10*10

9*9

100/81 is a ratio equivalent to 10/9

Hope this helps!

Answer:

100/90 is equivalent

so is 90/81

Step-by-step explanation:

We know this because 10 x 10=100 and 9 x 10=90 we get 100/90

then 10 x 9= 90 then 9 x 9=81/ so 90/81 is equivalent as well

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