Mathematics, 09.03.2021 08:30 Alex4530

Plumber A charges an initial call fee of $50 and an additional $30 for every hour of labor the job requires. Plumber B charges a flat rate of $40 per hour of labor. Write an equation in the form y = mx + b that represents the total charge (y) for (x) the number of hours a job takes for Plumber A.

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Plumber A charges an initial call fee of $50 and an additional $30 for every hour of labor the job r...

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