SOLUTION: I need help please: A cellular phone company offers its customers a rate of $49 for up to 200 min per month of cellular phone time, or a rate of $31 per month plus $0.60 for each m

Question 988104: I need help please: A cellular phone company offers its customers a rate of $49 for up to 200 min per month of cellular phone time, or a rate of $31 per month plus $0.60 for each minute of cellular phone time. For how many minutes per month can a customer who chooses the second option use a cellular phone before the charges exceed those of the first option?

Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!

I need help please: A cellular phone company offers its customers a rate of $49 for up to 200 min per month of cellular phone time, or a rate of $31 per month plus $0.60 for each minute of cellular phone time. For how many minutes per month can a customer who chooses the second option use a cellular phone before the charges exceed those of the first option?

Let the amount of minutes used for option 2 that'll exceed charges for option 1, be m

Option 1: Cost, or  for 

Option 2: Cost, or 

For C(m) for option 2 to exceed C(m) for option 1, we get: 





m, or minutes > , or 

 

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