In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Some people have _ or four careers during their lives.

Answer: three


Question: Young groundhogs are weaned and ready to seek their own dens at _ to six weeks of age.

Answer: five


Question: Gutters are each subdi- vided into _ longitudinal channels and one transversal channel.

Answer:
nine