Respuesta :
D. 336 mi.
If you take 224 and divide it by 4, you have how many miles the train is traveling in 1 hour, 56. Now take 56 and multiply it by 6 to get 336 miles.
If you take 224 and divide it by 4, you have how many miles the train is traveling in 1 hour, 56. Now take 56 and multiply it by 6 to get 336 miles.