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

[Q]: Individual caribou can lose up to _ pounds of blood during a summer season.
[A]: five


[Q]: Interstate commerce is commerce conducted in at least _ states.
[A]: two


[Q]: Women outnumber men in the baby-boom generation, and women, on average, outlive men by _ years.
[A]:
seven