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January 25, 2015

January 25, 2015

Posted by **christian** on Tuesday, December 8, 2009 at 5:37pm.

- math -
**Ms. Sue**, Tuesday, December 8, 2009 at 5:44pmLet a represent the number of adults. Solve for a.

a + a + 4 = 40

2a + 4 = 40

2a = 36

a = 18

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