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

[EX Q]: Notebooks are laptop computers that weigh between five and _ pounds.
[EX A]: seven

[EX Q]: Tarantulas have _ pairs of book lungs.
[EX A]: two

[EX Q]: Instinct drives men to achieve success in _ key areas of their lives.
[EX A]:
five