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

[EX Q]: Humans are bipeds who stand between _ to six feet in height when fully grown.
[EX A]: five

[EX Q]: Pups are unable to swim or find food until seven to _ weeks old or until the ice melts .
[EX A]: eight

[EX Q]: Many babies get pimples on their face, scalp, and chest at three to _ weeks of age.
[EX A]:
six