Can u translate yo English pls
40% of 65
0.40(65) = 26 returned the survey. (assuming that everybody who took the survey returned it.)
For this case, what we must do is find the scale factor.
We have then that the scale factor is given by:

Where,
L1: side length of polygon ABCD
L2: side length of polygon PQRS
Note: both sides belong to the same side of each polygon
Substituting the values we have:

Rewriting we have:
Answer:
The scale factor of dilation is given by: