Train A leaves a station traveling at 48 km/h. Two hours later, train B leaves the same station traveling in the same direction at 58 km/h. How long does it take train B to catch upto train B?
It's multiple choice and my answer 11.6 hrs isn't one the listed,
A. 9.6 hrs
B. 10.6 hrs
C. 7.6 hrs
D. 8.6 hrs
The correct answer is A but can someone please show me how to get 9.6 hrs. Thanks