Respuesta :

Hi , the answer is 45 miles , because 135 miles divided by  3 hours [180 minutes] equals to 0.75 ,  180 minutes times 0.75 equals to 135 miles , 2 hours [120 minutes] times 0.75 equals to 90 miles and 1 hour [60minutes] times 0.75 equals to 45 miles.
RELAXING NOICE
Relax