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

[EX Q]: Most crops require at least _ to eight hours of full sun a day to thrive.
[EX A]: six

[EX Q]: Credit reports describe an individual's credit history for the last _ to ten years.
[EX A]: seven

[EX Q]: Many dogs show no problems until they are _ to eight years old or older.
[EX A]:
six