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

[EX Q]: American men are _ times more likely to die from prostate cancer than Japanese men.
[EX A]: five

[EX Q]: Southern moles are six to seven inches long and weigh _ to four ounces.
[EX A]: three

[EX Q]: Atrial flutter is categorized into _ types.
[EX A]:
two