The answer to this question is 19.99 mins or approximately 20 minutes.
There are multiple steps to get this answer, the First method is by multiplying the 1/9 to 3 hours which will give us 19.99 minutes and the second method is we will first convert 3 hours to minutes which is 180 minutes and then multiply it to 1/9 will give us 19.99 minutes also.