Answer:
Carrie will need to fill the measuring cup 18 times to have enough flour for the recipe.
Explanation:
There are four 1/4's in one cup and two 1/4's in a 1/2 cup. So 4 times 4 equals 16 and 2 times 1 is 2. Add those together and you get 18 times. Sorry if it was confusing.