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