Answer:
car1 will go 56mph and car2 will go 48mph
Step-by-step explanation:
divide 312 by how many hours and get 104 well there is 2 cars so divide that by 2 and get 52, but think, one car is going 4 mph slower so 52-4 is 48 and 52 plus 4 is 56..... so your answers end up as 56mph and 48mph (: