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February 28, 2015

February 28, 2015

Posted by **g** on Tuesday, January 21, 2014 at 1:30pm.

- algebra 1 -
**Damon**, Tuesday, January 21, 2014 at 2:38pma + b = 500

10 a + 60 b = 6000 divide this by ten

a + b = 500

a + 6 b = 600

------------ subtract

-5 b = -100

b = 20

so a = 480

check

480*10 + 20 *60 = 4800 +1200 = 6000 sure enough

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