A cellular phone company charges $56.95 per month for a service plan that includes 6 GB of data. In addition to the basic monthly rate, the company charges $7.95 for each additional GB of data over 6 GB. A customer on this plan receives a bill for $112.60. How much data did this customer send and receive during the month?

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Q: How much would Skylar have to pay in a month where she used 5 GB over the limit?

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Q: the sum of three times a number and twelve is five times that same number

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.