lgeserick lgeserick

13-08-2016
Mathematics

contestada

a cell phone carrier charges flat fee 40 dollars total cost talking 20 minutes 41 dollars what is the rate of change of the cost per minute

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TripleThreatRM TripleThreatRM

13-08-2016

2 dollars per minute? The question isn't really very clear...

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bensonj3751 bensonj3751

14-08-2016

0.05 per minute you can just divide 1 by 20 to find it

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