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December 22, 2014

December 22, 2014

Posted by **Ramie** on Monday, October 3, 2011 at 9:56pm.

- algebra -
**drwls**, Tuesday, October 4, 2011 at 6:56amAssume there are N labels.

Sally mails S labels/h

Eric labels E labels/h

6 S = N

4 S + 4 E = N

4S + 4 E = 6 S

2 S = 4 E

S = 2 E

E is half as fast as S, and woul;d take 12 hours alone.

- algebra -
**Ramie**, Sunday, October 9, 2011 at 9:55pmthanks drwls!

are you available to answer one right now?

- algebra -
**Ramie**, Sunday, October 9, 2011 at 9:57pmAlex can run 5 miles per hour on levelground on a still day. One windy day he runs 11 miles with the wind, and in the same amount of time runs 4 miles against the wind. What is the rate of the wind?

- algebra -
**serj**, Sunday, October 9, 2011 at 10:39pmRead the second bullet point on the first page, in the bold and italics, at the end of the second sentence.

I seriously, seriously hope you weren't dumb enough to use your real first name. Mine definitely isn't Serj.

time = distance/rate and you set the rate up as (5+x) and (5-x) where x is the wind rate. The distance is obvious. solve for x.

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