TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Young groundhogs are weaned and ready to seek their own dens at _ to six weeks of age.

SOLUTION: five

PROBLEM: Willow flycatchers have a lifespan of _ to four years.

SOLUTION: three

PROBLEM: Neonatal deaths refer to deaths in the first _ weeks of life.

SOLUTION:
four