Respuesta :

Answer:

I think that the length of E and F is 6

Step-by-step explanation:

if you take 2x + 1

carry over the two on the 1 and adding it making it a 3

then it becomes x3 and x3 = to 6

so therefore I think your answer would be 6.

it is fuzzy so if it is wrong I am very sorry.

Answer:21

Step-by-step explanation:

4/7=x+2/2x+1

x=10

So,EF=10×2+1

=21