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

[EX Q]: Skin cancer affects one in _ people in the United States over a lifetime.
[EX A]: six

[EX Q]: Pelvic fins are well developed, and rather narrow, with _ to ten fin rays.
[EX A]: nine

[EX Q]: Most infections clear up by themselves within _ to eight weeks.
[EX A]:
four