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January 29, 2015

January 29, 2015

Posted by **brooke** on Sunday, January 24, 2010 at 7:38pm.

- algebra -
**Reiny**, Sunday, January 24, 2010 at 8:08pmsolve

a + c = 589 with 2.75a + 1.5c = 1151

I suggest changing the first to

a = 589-c and subbing that into the second

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