Two nascar cars are racing around a 2 mile track. one car can complete a lap in 48 seconds, and the other car can complete one lap in 40 seconds. if they start side by side, after how much time will they be side by side again

Let's assume that the faster car has a 2 mile "head start".

The faster car is 1.2 times faster (48/40) than the slower car.

It will take five 2 mile trips to "catch" the other car.

Five 2 mile trips will take 5 * 40 seconds = 200 seconds.