netquiddler: (Pit)
[personal profile] netquiddler
So our friends at Dairy Queen have this new "Sweet Deals" package, where it's any two of nine items for $3, any three for $4, any four for $5, and they advertise over 20,000 different combinations.

Sounds like false advertising to me, there's only 705 by my count:

36 possible: 2 different items from 9
9 possible: 2 of the same item from 9
45 possible two-item combos

84 possible: 3 different items from 9
72 possible: 2 of one item, 1 of a second from 9
9 possible: 3 of one item from 9
165 possible three-item combos

126 possible: 4 different items from 9
252 possible: 2 of one item, 1 of a second, 1 of a third from 9
36 possible: 2 of one item, 2 of a second from 9
72 possible: 3 of one item, 1 of a second from 9
9 possible: 4 of one item from 9
495 possible four-item combos

45+165+495 = 705, which is a far cry from 20,000.

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netquiddler

February 2011

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