For the relationship to be proportional, there must be a steady rate at which dirt is excavated that begins with
yards excavated after
Yes, this relationship is proportional, since the amount of dirt excavated divided by the hours worked is a constant ratio.
Now write the equation for this relationship and then graph it.
Amount of Dirt Excavated
Complete the table in the eTool below to view the graph.
Click the link at right for the full version of the eTool: 4-60 HW eTool (Desmos)