Respuesta :

Answer:

Substitute n with the given value which is 18:9

Ratio(:)means fraction, so

1/18:9

To make it easier

1×9/18

Then multiply 1 and 9

9/18=1/2 which equals to 1:2

Step-by-step explanation:

I hope this helps, please give me brainliest

Answer:

1/2

Step-by-step explanation:

1:n

1/(18/9)

9/18

1/2

So 1/2 will be answer