TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Pelvic fins are well developed, and rather narrow, with _ to ten fin rays.

SOLUTION: nine

PROBLEM: Sexual maturity is achieved by the age of _ months.

SOLUTION: three

PROBLEM: Rats can jump _ feet straight up, and four feet outwards, from a standing position.

SOLUTION:
three