
Bradford T. answered 01/08/24
Retired Engineer / Upper level math instructor
Let x and y be the rates of each train.
y = x + 11
After 2 hours, the sum of the two distances traveled by each train must equal 362 miles.
distance = time×rate.
2x + 2y =362
x+y=181
x+(x+11) = 181
2x+11 = 181
2x=170
x= 85 mph
y=85+11=96 mph