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by finance » Tue Jul 19, 2011 3:02 am
This table lists enrollment in an afterschool program by activity. There are 30 total students enrolled in the entire program. Students may participate in one, two, or three activities. How many students participate in all three activities?

(1) 21 students only participate in one activity.

(2) 6 students participate in both basketball and math.

Activity Enrollment
Basketball 19
Math 12
Wrestling 11
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Source: — Data Sufficiency |

by newgmattest » Tue Jul 19, 2011 6:42 pm
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