SOLUTION: For a certain cell phone plan, a customer pays an initial fee of $10.50 plus an additional fee of $0.05 per text message. One month, john sent 15 messages on his phone, Daisy sent

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: For a certain cell phone plan, a customer pays an initial fee of $10.50 plus an additional fee of $0.05 per text message. One month, john sent 15 messages on his phone, Daisy sent       Log On


   

Question 1006643: For a certain cell phone plan, a customer pays an initial fee of $10.50 plus an additional fee of $0.05 per text message. One month, john sent 15 messages on his phone, Daisy sent 3 messages, Judy sent 200 messages. Frame an equation to calculate each person's costs:And also calculate the fee for each person.
Answer by Ani_g(8) About Me  (Show Source):
You can put this solution on YOUR website!
Let, the number of text message in a month = x
Then, the equation for total cost for a customer in a month = 10.50+0.05x
John's cost = 10.50+0.05(x)15 = 10.50+0.75=$11.25
Daisy's cost = 10.50+0.05(x)3 = 10.50+0.15=$10.65
Judy's cost = 10.50+0.05(x)200 = 10.50+10=$20.50