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December 20, 2014

December 20, 2014

Posted by **Herbert** on Wednesday, February 29, 2012 at 8:30am.

and 10 pencils together cost $2.40.Determine the

cost of each writing tool

- algebra -
**MathMate**, Wednesday, February 29, 2012 at 10:09amSet up system of equations as:

Let c=pencil, p=pen, and work in cents

3c-2p=3

10c+p=240

Solve for p and c (both have to be integers).

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