Question 1130749
between 11 and 4:18 is 5.3 hours
In that time, the distance between them is 519.4 miles
they are going apart at the combined speed of 98 mph
one is x, the other x+12
so their sum=98
2x+12=98
2x=86
x=43 mph one bus
x+12=55 mph the other