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Question Description

I’m working on a mathematics discussion question and need an explanation and answer to help me learn.

The phone company Splint has a monthly cellular plan where a customer pays a flat monthly fee and then a
certain amount of money per minute used on the phone. If a customer uses 130 minutes, the monthly cost
will be $51. If the customer uses 750 minutes, the monthly cost will be $113.
A) Find an equation in the form y = mx +b, where x is the number of monthly minutes used and y is the
total monthly of the Splint plan.
Answer: y =
B) Use your equation to find the total monthly cost if 821 minutes are used.
Answer: If 821 minutes are used, the total cost will be
dollars.

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