The difference in the price per bag for 150 bags versus 50 bags is $0.15 per bag.
The cost per bag is calculated differently at various quantities.
For 150 bags, the price per bag equates to $0.25 when traced to the y-axis at $38.
This discrepancy arises due to the changing price relationship concerning quantity; as more bags are purchased, the per-bag cost diminishes.
Thus, the price per bag fluctuates based on the quantity bought, showcasing a notable difference in cost when buying in larger or smaller quantities.
When 50 bags are considered, the price per bag reaches $0.4 when traced to the y-axis at $20.
The variation between these calculations results in a difference of $0.15 per bag.