Answer: The slope is 10.25. This means that Dante earns $10.25 each hour.
Explanation:
We know that the slope of a line passing through (a,b) and (c,d) is given by :-

In the given graph , the graph is passing through (4, 41) and (7, 71.75) is given by :-

Thus , the slope of the line = 10.25
Also, we know that the slope of line tells the the rate of change of y (dependent variable ) with respect to x ( independent variable) .
Here , independent variable = Time (hr)
Dependent variable = Money ($)
Thus , the slope of the given line tells that Dante earns $10.25 each hour.