Respuesta :

Answer

21(1)/(9)

Step-by-step explanation:

SpringyDerp

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 .