In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Female dropouts are also _ times more likely to smoke during pregnancies.
[EX A]: eight

[EX Q]: Most intestinal worms take _ to four weeks for maturation from their larval stages into adults.
[EX A]: three

[EX Q]: Fat grams contain _ calories, but carbohydrate grams contain only four calories.
[EX A]:
nine