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August 28, 2014

August 28, 2014

Posted by **Abby** on Saturday, September 7, 2013 at 12:03am.

- Algebra Its Urgent! -
**Graham**, Saturday, September 7, 2013 at 12:46amLet the numbers be a, b, c

b = 3a

c = 15+a

a+b+c=330

Substitute for b and c in and solve the sum for a.

Use a to determine b and c.

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