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September 3, 2014

Posted by **dayalyn** on Friday, January 4, 2013 at 4:15pm.

- algebra -
**Reiny**, Friday, January 4, 2013 at 5:47pmquarters ---- x

dimes ------ 21-x

25x + 10(21-x) = 375

25x + 210 - 10x = 375

15x = 165

x = 11

Tristan has 11 quarters and 10 dimes

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