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March 31, 2015

March 31, 2015

Posted by **Richard D** on Thursday, October 11, 2012 at 2:21pm.

- College Math -
**Steve**, Thursday, October 11, 2012 at 3:14pmjust write it algebraically:

b = 3a

b = c-110

a+b+c=180

a + 3a + (110+3a) = 180

7a = 70

a=10

b=30

c=140

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