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

[EX Q]: Allergic rhinitis is the most common allergic disease, with one in _ Canadian adults affected.
[EX A]: five

[EX Q]: Stroke is our nation's number _ killer, and a leading cause of disability for older adults.
[EX A]: three

[EX Q]: Rock bass are small to medium sized sunfish, reaching six to _ inches in length.
[EX A]:
ten