Givens.
• He paid $154.50 for 3 plays.
,
• He paid $300.50 for 6 plays.
First, form coordinate pairs: (3, 154.50) and (6, 300.50).
Second, find the slope between the points.
The slope is 146/3.
Then, we use the point-slope formula to find the equation.
Therefore, the equation is