Posted by **Michael** on Thursday, September 17, 2009 at 8:59pm.

A drawer contains 2 brown and 3 gray socks. THe socks are taken out of the drawer one at a time. WHat is the probability that the fourth sock removed is gray? Express your answer as a common fraction.

Can anyone explain this to me? Thanks!!

- math -
**Dean**, Thursday, September 17, 2009 at 9:01pm
3/5

- math -
**Reiny**, Thursday, September 17, 2009 at 9:17pm
there are 10 ways to arrange the 5 socks

5!/2!3!) = 10

lets list them in an organized way:

BBGGG

BGBGG

BGGBG

BGGGB

GBBGG

GBGBG

GBGGB

GGBBG

GGBGB

GGGBB

Looks like the G is in the 4th spot 6 times

so the prob is 6/10 = 3/5

- Algebra -
**Juliet**, Wednesday, October 28, 2009 at 8:01pm
A printer can print 10 pages of text per minute or 4 pages of graphics per minute. How many minutes will it take to print 31 pages of text and 7 pages of graphics? Express as a mixed numer.

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