PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The speed of a passenger train is 12 mph faster than the speed of a freight train. The passenger train travels 250 miles in the same time it takes the freight train to travel 190 miles. Find the speed of each train.

Question

anonymous · Answer

times are equal .. time for passenger train is 250/(x+12)  and freight is 190/x
set 250/(x+12)=190/x and solve for x

anonymous · Answer

how do i do that

anonymous · Answer

250/(x+12)=190/x
cross multiply to get 250x=190(x+12)
250x=190x + 190(12)
60x=190(12) etc

anonymous · Answer

x=38 so speeds are 38 and 50 mph

anonymous · Answer

witch is for witch?

anonymous · Answer

is 38 for the  passenger train or  freight train?