Problema Solution
Two trains going in opposite directions leave at the same time. Train b travels 5 mph faster than train a. in four hours, the trains are 540 miles apart. Find the speed of each train.
Answer provided by our tutors
Let speed of train a be x mph
Speed of b=(x+5)mph
540/4=135 miles/hr
x+x+5=135
2x=135-5=130
x=130/2=65 mph
x+5=70 mph