Respuesta :

Answer:

140

Step-by-step explanation:7 ft per minute; there are 60 minutes in an hour therefore 7 x 60 = 420ft in hour

there are 3 feet in yard, 420 feet divided by 3 = 240
7 times 60 = 420
420ft converted to yards
420 divided by 3= 140
140 is the answer sorry if wrong