A plumber charges a fixed fee of $75 to make a service call, plus an hourly rate of $40. Alexander needs to hire the plumber for a job that will take 6 hours. Write and solve an equation for the total cost of the job.To solve, let $ x $ be the number of hours the job will take. The total cost $ C $ can be expressed as:\[ C = 75 + 40x \]Substitute $ x = 6 $ into the equation:\[ C = 75 + 40(6) \]\[ C = 75 + 240 \]\[ C = 315 \]Therefore, the total cost of the job is $315.

The fixed fee of a plumber is $75. hourly fee of the plumber is $40. Total time for which Alexander…

A plumber charges a fixed fee of $75 to make a service call, plus an hourly rate of $40. Alexander needs to hire the plumber for a job that will take 6 hours. Write and solve an equtaion for the total cost of the job.

A plumber charges a fixed fee of $75 to make a service call, plus an hourly rate of $40. Alexander needs to hire the plumber for a job that will take 6 hours. Write and solve an equtaion for the total cost of the job.

Trigonometry (11th Edition)

11th Edition

ISBN:9780134217437

Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Chapter1: Trigonometric Functions

Section: Chapter Questions

Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.

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Question

A plumber charges a fixed fee of $75 to make a service call, plus an hourly rate of $40. Alexander needs to hire the plumber for a job that will take 6 hours. Write and solve an equation for the total cost of the job.

To solve, let $ x $ be the number of hours the job will take. The total cost $ C $ can be expressed as:

\[ C = 75 + 40x \]

Substitute $ x = 6 $ into the equation:

\[ C = 75 + 40(6) \]
\[ C = 75 + 240 \]
\[ C = 315 \]

Therefore, the total cost of the job is $315.

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