# For 3 hours of work, a consultant charges $300. For 5 hours of work, she charges $400. How do you write an equation to represent this?

##### 1 Answer

Feb 3, 2016

#### Explanation:

This linear equation is represented by a straight line where the input is x for the number of hours worked, and the output is y for the income earned. Given here are two points on the line so the slope of the line can be calculated as follow:

in this case: