Is $3000 enough for 3 week holiday in Tokyo????? for a 20 y/o?

Question:

I am going to tokyo with my bf for 3 weeks (he is only for 13 days though)
Will that be enough, we are staying at a backpackers, and eating cheap noodles, perhaps some shopping, should i stress I don't have enough? btw I am a stingy person and am good with being careful with $$

Answer:

If you consider 10,000 Yen per day, it will come to 210,000 Yen for 21 days. Which is equal to US $ 2,800.

Lets try splitting it per day.
Stay : 6500 Yen
Food: 1500 Yen
Travel: 1000 Yen
Shopping: 1000 Yen
Total: 10,000 Yen

Not Bad...!!! :-)

Is your flight charges included in this?