Answer:
9 at minimum
Step-by-step explanation:
a minimum of 9 because it takes a total of 8 rides to take back a full 18 cars back and the 9th ride takes back the remainder which is 0.27777777778 times 18 cars
M = 0.025
I hope this helped you.
You need to know the value of X to determine whether or not the equation is true.
