Question 346433
let adam's bus speed be x mph
mike's bus speed = x-20 mph
..
They are going in opposite directions
.
the effective speed = x+x-20
2x-20 mph.
Time = distance /speed
distance = 270 miles
3= 270/2x-2
3(2x-2)=270
6x-6=270
6x=276
x=276/6
x=46 mph adam's bus speed
mike's bus speed = 46-20 =26 mph