For this case we have to:
x: Represents the number of miles that can be traveled in a day
We have that the cost of daily car rental is given by the following expression:

If the person has a budget of $200 then we have to:

Thus, you can travel 496 miles in one day.
Answer:

Answer:
no solution
Step-by-step explanation:
x2-x1/y2-y1
8-5/-4+4= 3/0
3/0 = N/0 solution

23 stones will be needed (you have to round up, since you can't have a fraction of a stone)
Did you write the problem right