SOLUTION: A person wants to set up an internet plan. Plan A costs 30 dollars per month and .10 per minute. Plan B costs 20 dollars per month and .15 per minute. Write a system of equations a

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: A person wants to set up an internet plan. Plan A costs 30 dollars per month and .10 per minute. Plan B costs 20 dollars per month and .15 per minute. Write a system of equations a      Log On


   

Question 294806: A person wants to set up an internet plan. Plan A costs 30 dollars per month and .10 per minute. Plan B costs 20 dollars per month and .15 per minute. Write a system of equations and how many minutes of use result in the same charge for both plans? What would the charge be?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
30+.1m=20+.15m
-.05m=-10
m=200 min
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30+.1*200=$50
20+.15*200=$50