TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Masturbation tends to peak when children are between the ages of _ and five.

SOLUTION: three

PROBLEM: Ticks are small round arachnids with _ legs and can have either a soft or hard body.

SOLUTION: eight

PROBLEM: Mechanical digestion occurs as _ strong layers of muscle contract to produce a churning motion.

SOLUTION:
three