Answer:
The answer is depending on how long he us going to rent the car. If Spencer wants to rent the car for less than 150 days, the Porsche is cheaper for that. However, if Spencer wants to rent a car for more than 150 days, the Tesla is the cheaper option.
Step-by-step explanation:
You can write both Deals in slope inter form.
Tesla: y = 25x+75
Porsche: y=50x
Remember: slope inter form is y = mb + b
"mx" being the change in y over the change in 1 or (y1-y2/x1-x2)
"b" in the formula represents the y-axis