i really need to lose weight by my surgery on june 24.

I know it’s unhealthy but i wanna lose up to 30 pounds that’s by goal by august.

i weight 155.6 now and i wanna be at least 125 by august. and for my surgery i want to be 145-140. what a good way to lose the most weight. i’m 4’9 so i’m kinda compressed. i’m 18. i’m having Knee surgery. i’m also going to new york and i wanna be able to feel confident on june 18 about my body so is it possible to lose 10-20 pounds in a month. i’ve gained this weight from my bpd. binge eating it’s terrible