Asked by amanda
A plumber charges a flat $50 for a home service call plus $10 per 15 minutes of labour. Write an equation for calculating the total charges, C, in terms of the hours of labour, H. If you were to plot a graph of C vs. H, what would be the slope and C-intercept of the line?
Answers
Answered by
Peeps
The equation would be: 40h+50=C
+50 because that is the flat rate. Then, it asks for the terms to be in hours of labor. 40h because 15*4 is 60 minutes, or, 1 hour. 10*4 because I did 15*4. Solve the rest [slope is y/x or, in this case, c/h. c-intercept is the same thing as y-intercept].
+50 because that is the flat rate. Then, it asks for the terms to be in hours of labor. 40h because 15*4 is 60 minutes, or, 1 hour. 10*4 because I did 15*4. Solve the rest [slope is y/x or, in this case, c/h. c-intercept is the same thing as y-intercept].
Answered by
Shai
67
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