Final answer:
Camilla and her friend ate 25% of the cookies from a package that contains 40 cookies, which equals 10 cookies.
Step-by-step explanation:
The question involves calculating the number of cookies Camilla and her friend ate, which is 25% of the cookies from a package that contains 40 cookies.
First, we define 25% in decimal form, which is 0.25. Then we calculate the number of cookies eaten by multiplying 0.25 by the total number of cookies in the package:
0.25 × 40 = 10 cookies.
Therefore, Camilla and her friend ate 10 cookies.