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 The Great Rating (Posted on 2003-07-25)
When I saw a problem on the site, it had a 2.6 rating. Since I really liked the problem, I voted 5 for it, and saw that the rating went from 2.6 to 2.75.

1) How many people voted for it before I did?

2)What would the rating of this problem be if two more people voted 5 for this problem?

 See The Solution Submitted by Gamer Rating: 3.3333 (9 votes)

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 Solution | Comment 1 of 9
15 people had voted on it. For it to have a rating a 2.6 it must have had a amount of ratings divisble by five, and 15 is the number that works.

For part two, the answer is 3. Once it was rated a 2.75 it had a total rating of 44 between 16 people. After two more 5's it would have a total rating of 54 between 18 people. 54/18 = 3.

 Posted by Lewis on 2003-07-25 02:12:29

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