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

[EX Q]: Black adults have three to _ times greater incidence of bacteremia, compared with white adults.
[EX A]: five

[EX Q]: Adult muskrats average one foot in length and _ pounds in weight.
[EX A]: three

[EX Q]: Bluegills average _ to ten inches in length.
[EX A]:
four