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July 23, 2014

July 23, 2014

Posted by **abigail** on Friday, October 28, 2011 at 5:29pm.

how do i find the dependent and independent variables, and the "fixed" cost of the phone plan, and what cost do you pay per minute. and how do i write an equation relating c and t

- geometry -
**Steve**, Friday, October 28, 2011 at 6:02pmhow is this geometry?

The independent variable is the one that can change by itself. In this case, the number of minutes you talk: t.

c = fixed bill + minute rate*t

The charge for each minute = $36/24 = 1.50 (pretty pricey!)

c = 15.00 + 1.50t

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