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

[Q]: Ticks are small round arachnids with _ legs and can have either a soft or hard body.
[A]: eight


[Q]: Some people routinely sleep only _ hours a night but feel fine during the day.
[A]: four


[Q]: Children now account for only _ percent of all forest fires caused in the United States.
[A]:
four