Respuesta :

sqdancefan

Answer:

  4/7

Step-by-step explanation:

Walter's rate in area per hour is ...

  area/hour = (2/5 ac)/(7/10 hr) = (4/10 ac)/(7/10 hr) = 4/7 ac/hr

Sammy will mow 4/7 of an acre in an hour.

HyperXKid

Answer:

Step-by-step explanation: WALTER will mow 4/7 acres per hour