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September 30, 2014

September 30, 2014

Posted by **Amy** on Friday, March 22, 2013 at 2:00pm.

A. 10

B. 15

C. 9

D. 12

is it B

- Math -
**Ms. Sue**, Friday, March 22, 2013 at 2:13pmLet a = the advanced class.

2a + a + 3 + a = 39

4a + 3 = = 39

4a = 36

a = 9

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