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Posted by **KC** on Monday, December 5, 2011 at 1:03pm.

- math -
**Reiny**, Monday, December 5, 2011 at 1:20pmsixth graders ---x

7th graders ---- x-22

8th graders --- 84

solve : 84 + x-22 + x = 264

etc.

- math -
**KC**, Monday, December 5, 2011 at 1:33pmThank you

- math -
**Kiara**, Monday, December 5, 2011 at 3:52pmNo you do not need to regroup

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