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September 30, 2014

September 30, 2014

Posted by **Jake** on Sunday, July 11, 2010 at 10:56am.

a) 20

b) 40

c) 80

d) 120

e) 200

- algebra -
**drwls**, Sunday, July 11, 2010 at 11:12am80 campers took climbing lessons. It is possible that all 80 of them were among the 200 who could swim, or that as many as 40 of them could not. The smallest possible number is of climbing swimmers is 80 - 40 = 40

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