TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Transitional milk is secreted between about four days and _ days postpartum.

SOLUTION: ten

PROBLEM: Most women experience a menstrual period _ to six weeks after a miscarriage.

SOLUTION: four

PROBLEM: Scientists divide the Precambrian into _ eons.

SOLUTION:
three