How much can a person lose in 2 months?

So I am 5'2 and weigh 180 I know sucks....

well I'm in high school and summers coming up and I want to have a new look for next yr[senior yr]...

But I was wondering how much can I lose in 2 months of summer vacation I am going to begin working out daily I use to but got lazy...B/c it seems like a saw better results if I ran on the treadmill daily I use to do about 30 min..

and do you all know of a Quicker way to lose all this fat thanks!!

""I KNOW I'm DRINKING A LOT of WATER""=]
Updates
+1 y
Okay I have began eating and doing healthier things.I think some of you might hate what I'm doing now but I am on the Atkins Diet I been on it for 3 days now I know that it might have some complications on my health later or now in life but it a risk.
Updates
+1 y
O yeah and one more thing since the Atkins diet is a low carb diet is it ok that I ate jello and drank diet soda it says 0 carbs on both but idk.still kinda taste the same please tell me what ya think.
How much can a person lose in 2 months?
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