Question

A cellular service provider charged a customer $40 for 150 minutes of airtime. The same provider charged another customer $55 for 300 minutes of airtime. What linear model represents the total cost, C, as a function of t, the amount of airtime in minutes?

Answer 1

Answer:

Y=10x-250

Step-by-step explanation:

We can treat this problem like we are attempting to graph a line from 2 points (hopefully you know how to do that)

the two points are (40,150)(55,300)