How do i lose 10 pounds in 3 weeks?

My school starts in 3 weeks and im enormously fat. I'm 5'8" and 105 pounds and i feel like a whale. I need to lose 10 pounds so i don't look disgusting when i get back. I think im going to fast tomorrow. and other help? i just did 400 jumping jacks but i dont think itll help. and my mom has been feeding me way too much this week so i mightve gained two pounds. HELP?

How to Lose Weight on a Budget

Recommended Answer:

I'm sorry, but you're already considerably underweight. There's no need to lose more weight, at all! You obviously aren't fat in any way, because if you're that tall and you weigh that much, you need to start gaining, not losing.

Other Answers:

• cut off your head
• fasting dose not reduce weight eat only healthy food and that to in limited quantity 10 pounds in 3 weeks wont be difficult
• Try this test --http://www.calculator.net/calorie-calculator.html?ctype=standard&cage=15&csex=m&cheightfeet=5&cheightinch=8&cpound=105&cheightmeter=180&ckg=60&cactivity=1.2&x=55&y=16