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That's the same answer the book gives, but I don't think it works.
Let's look at it with numbers.
1
2
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Twelve numbers, and the sum is 79. What am I missing?
- by floyd1180
Wed Mar 07, 2007 6:36 am- Forum: Problem Solving
- Topic: PR Practice test problem
- Replies: 7
- Views: 2935
PR Practice test problem
I do not think this question is correct, and their explainations are awful. I'm sure it must be right, so someone please show me the way! Jerome wrote each of the integers 1 through 20, inclusive, on a separate index card. He placed the cards in a box, then drew cards one at a time randomly from the...
- by floyd1180
Tue Mar 06, 2007 2:01 pm- Forum: Problem Solving
- Topic: PR Practice test problem
- Replies: 7
- Views: 2935