SOLUTION: The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The monthly cost for 37 minutes of calls is $17.47 and the

Algebra ->  Graphs -> SOLUTION: The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The monthly cost for 37 minutes of calls is $17.47 and the       Log On


   

Question 1141792: The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The monthly cost for 37 minutes of calls is $17.47 and the monthly cost for 48 minutes is $18.90. What is the monthly cost for 43 minutes of calls?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
This example problem is very much like the driving-time problem earlier.