In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
--------
Question: Reproductive maturity occurs at seven to _ years.

Answer: ten


Question: American men are _ times more likely to die from prostate cancer than Japanese men.

Answer: five


Question: Hagfishes have pinkish gray wormlike bodies and _ or six short tentacles around their mouths.

Answer:
four