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March 29, 2015

March 29, 2015

Posted by **Chris** on Friday, October 19, 2012 at 1:24am.

- Algebra -
**Reiny**, Friday, October 19, 2012 at 8:51amcost of digital camera --- x

cost of video camera ---- 4x

5x + 3(4x) = 3213

17x = 3213

x = 189

so digital + video

= x + 4x

= 5x

= 945

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