You can
put this solution on YOUR website!Let the time be x
now the first bus is 44(x+1) because its 1 hour later. later means +
Now the second bus is 48 TIMES the original time.
44(x+1)+48x=274
44x+44+48x=274
92x=230
x=2.5
Hence, after 2.5h the two busses will be 274 miles apart.
Paul.