TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Grasshoppers develop through _ to six instars.

SOLUTION: five

PROBLEM: Chicks take _ years to develop full adult plumage.

SOLUTION: five

PROBLEM: Most doctors avoid prescribing sleeping pills for periods longer than _ weeks.

SOLUTION:
three