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

[Q]: Plasma levels fall by about a half within three to _ hours.
[A]: four


[Q]: Sabbats There are usually _ major holy days, or holidays, in the Pagan calendar.
[A]: eight


[Q]: Damaging hail occurs an average of _ days each year.
[A]:
seven