TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Architectural shingles are twice or _ times as thick as ordinary shingles.

SOLUTION: three

PROBLEM: Some dads can handle two or _ children.

SOLUTION: three

PROBLEM: Infertility is fairly common, and about _ out of every six couples is infertile at any given time.

SOLUTION:
one