$400-500, but then I don't like ramen that much.
I would love to see a list of what one of these people spending ~$20/week on food actually eats.
I spent $8.29 on dinner, $6.xx on lunch and $3.xx on coffee *today*, not to mention a few diet cokes, and a bagel that I had at home. That's about $20 on food *today*. I realize you could eat for less, but I don't see how you could eat for 1/7th the cost.