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Mathematics, 03.02.2021 21:00 adot1

The phone company Blurizon has a monthly cellular plan where a customer pays a flat fee for unlimited voice calls and then a certain amount per GB of data used. If a customer uses 10 GB, the monthly cost will be $87. If the customer uses 20 GB, the monthly cost will be $147. A) Find an equation in the form y = m x + b , where x is the number of GB of data used in a month and y is the total monthly cost of the Blurizon plan.
Y =

B) Use your equation to find the total monthly cost if 12 GB are used.

If 12 GB are used, the total cost will be dollars.

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