Respuesta :

Original Rate                     Unit Rate                  

    90 Miles                                 45 Miles                  

     2 Hours                                   1 Hour    

Answer:  The Train  travels 45 miles in one hour.

How i got the answer? I divied the 90 by 2 because we already know the miles/hour for 2 hours and we need 1 hour.

Give Brainliest If You Please