Mai will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of  $57  and costs an additional  $0.08  per mile driven. The second plan has an initial fee of  $48  and costs an additional  $0.12  per mile driven. For what amount of driving do the two plans cost the same? miles What is the cost when the two plans cost the same?

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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.