[QUOTE=MadMojoMonkey;2303622]

***
If we take your only outs as the FD, and we assume that you always win the pot when the flush comes in, then that simplifies the answer to your question.
OTF, you had 9/47 ~= 19% (close to 1/5) and you want to call no more than a 1/3 PSB (20% required odds). That would be a bet of ~$0.05, but the bet you called was $0.08. When you hit this, you need to recoup the difference of $0.03 with Villain calling a bet of at least $0.03.

Where did you get the required odds 20% from? I have seen you do this on another thread where you are calculating the required odds by using PSB and coming up with a % kind of like using a shortcut or something. I always have to use the formula of price to call/(pot+price to call) is there a faster way ?