40.5k views
2 votes
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

User Pvnarula
by
6.2k points

2 Answers

5 votes
0.05 per minute you can just divide 1 by 20 to find it
User Tamilvanan
by
6.9k points
2 votes
2 dollars per minute? The question isn't really very clear...
User Mtlynch
by
6.9k points
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