anyone lose or want to lose 30 lbs?

hi, my names diana

age: 18
height: 5'1 1/2
CURRENT WEIGHT: 155
GOAL WEIGHT:120-125
BF %:33

if anyone has ANY advice on how they lost 30 pounds or more, please feel free to respond i'd like to know.
is my goal realistic to reach by the end of JULY? has anyone done this before??

PLEASE ANSWER!!!!

-how many minutes a day/per week (excerise)
-how many calories you ate per day, and did you eat the ones you worked off?
-how long did it take you to lose ____ pounds?
-did you have cheat days? what did you eat that boosted your metabolism?
-strength training or weightlifing involved?

PLEASE LEAVE YOUR RESPONSES AS I WOULD LOVE AND APPRECIATE THE HELP.........
ADD ME AS A FRIEND TOO IF YOU KEEP IN TOUCH OFTEN :)