1. Julie needs to hire a plumber.  She is told that the cost of hiring the plumber, C, is determined by the amount of time spent on the job, t, in hours. The plumber charges a one-time fee of $30 and an hourly rate of $40. How many hours did the plumber work if Julie paid him $190? Find the value for C (total cost) when time, t =0.  Write a sentence describing its meaning.

Economics: Private and Public Choice (MindTap Course List)
16th Edition
ISBN:9781305506725
Author:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Publisher:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Chapter26: Earnings, Productivity, And The Job Market
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1. Julie needs to hire a plumber.  She is told that the cost of hiring the plumber, C, is determined by the amount of time spent on the job, t, in hours. The plumber charges a one-time fee of $30 and an hourly rate of $40.

How many hours did the plumber work if Julie paid him $190?

Find the value for C (total cost) when time, t =0.  Write a sentence describing its meaning.

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