A customer is comparing the costs of two cell phone plans. In Plan A, he will pay $0.15 per call and there is no monthly fee. In
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Answer:
y=9.75x+60
Step-by-step explanation:
We want our equation to look like y=mx+b
Let's start out by calculating the slope
we have
y=9.75x+b
we know that when x= 3 y= 89.25
89.25=9.75(3)+b
solve for b = 60