Multiplying and Dividing Inequalities

Question

Two trains, Train A and Train B are both departing from Huang Station. Train A leaves 1 hours before Train B does. Both train tracks run parallel to each other to avoid accidents. Train A is moving at 95 km/h and Train B is moving at 105 km/h. How many hours does it take for Train B to catch up to Train A?

Answer 1

105(t)= 95(1+t)

10t=95

t= 9.5 hours to catch up

105(9.5)=95(10.5)= 997.5 miles

speed times time = distance