Respuesta :
Answer:
31 2/3 .
Step-by-step explanation:
To find how many square feet Stefanie can paint in one hour, divide the number of square feet by the fraction of an hour:
12 2/3 divided by 2/5 = 38/3 divided by 2/5.
=38/3 times 5/2
=190/6
=31 2/3 .