Train A is 12 mph slower than train B. Train A travels 230

Question

miles in the same time it takes train B to travel 290 miles.
Find the speed of each train.

Answer 1

Train A is 23/29 as fast as train B.

Va/Vb = 23/29
Va = Vb -12
(23/29)Vb -Vb = -12
(6/29)Vb = 12
Vb = 58 mph
Va = 46 mph