You find the probability of an event happening if you divide the number of times that event has actually happened in the experiment by the number of total events that has happened. If you want to find the probability of the used car, you have to know..
how many used cars were there? 15
how many cars were there? 40
Therefore, the probability of buying a used car is 15/40 or 3/8.
Answer:the answer is 3120
I don't know if it could be the area of a square but x has to be 8.34. (ROUNDED)
