Posted by **kattie** on Monday, January 3, 2011 at 11:50pm.

12 - 1 1\2 c = 2 1\2

- algebra -
**Henry**, Wednesday, January 5, 2011 at 3:34pm
12 - (1 1/2)C = 2 1/2.

12 - 3C/2 = 5/2,

-3C/2 = 5/2 - 12,

Multiply both sides by -2:

3C = -5 + 24,

3C = 19,

C = 19/3 = 6 1/3.

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