# mmiguel

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6. ## A Complicated Numbers Problem

I think I got the answer thanks to some of the other hints and ideas posted.

9. ## Let's meet up

i probably oversimplified this and don't have the right answer for the 3x case, but oh well - i'm tired

12. ## Money Bags

Three bags are marked \$10, \$15, and \$20. One bag contains two \$5 dollar bills, one contains a \$5 and a \$10 bill, and one contains two \$10 bills. You are told that no bag contains the amount of money that is marked on its exterior. You are allowed to select a bag and extract a bill. How many times must you do this before before you can guarantee that you know the contents of all three bags? What is your strategy?
13. ## Colored Cards

A bag contains three cards, one blue on both sides, one green on both sides, and one with one blue side and one with one green side. You pull one card from the bag and place it on the table. The side showing is blue. What is the probability that the side not showing is also blue?

So would I.
15. ## Job Interview

At a job interview, your potential employer presents you with the following test: There are 2 buckets, and a bin with 50 green balls and 50 red balls. He tells you he will leave the room, and that you must place the balls in the buckets. When he comes back, he will randomly select a bucket (with equal probability), and randomly draw a ball from that bucket. If he draws a green ball, you are hired. Rules: I. No bucket can be empty II. Each of the 100 balls must be placed in one of the two buckets What do you do?