# A plumber charges a flat $100 for a home service call plus $20 per 15 minutes of

## Question:

A plumber charges a flat $100 for a home service call plus $20 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?

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**Related Book For**

## Fundamentals Of Business Mathematics In Canada

**ISBN:** 9781259370151

3rd Edition

**Authors:** F. Ernest Jerome, Jackie Shemko