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

[Q]: Cockatiels average _ to five eggs per nest, with an egg typically laid every other day.
[A]: four


[Q]: Every cell has _ long flagella.
[A]: two


[Q]: Downhill skiers are _ times as likely to be golfers as the public at large.
[A]:
three