check my math?

[james_davis_nicoll]

There have been two parties of about 40 people each. I am going to assume consumption scales linearly with the number of people*. At a guess, the next three parties will look like this: 50 people, 80 people, 80 people for a total of 210 people, or about 2 1/2 times what we've already gone through. We went through six giant (650 gram, I think) bags of chips, and four regular bags of cheeZees so what we need is 12 – 15 big bags of chips and chip equivalents and 10 regular bags of CheeZees, which I think is the same as five big bags. So up to 17 big bags. Which, wow, seems like a lot.

(and then there are special cases like gummy worms, where a fair sized container disappeared in 15 minutes)

* I have been assured that it does not. Sadly, half the people I asked said consumption per person drops off as numbers rise and half said that consumption per person rose.