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April 23, 2014

Homework Help: Algebra

Posted by Lisa on Tuesday, July 15, 2008 at 1:30pm.

ABC phone company charges $18 per month plus 7 cents per minute of phone calls. XYZ phone company charges $9 per month and 10 cents per minute of phone calls. How many minutes of phone calls should be made each month to make the costs for the two companies the same?

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