TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Most cats have only _ to five toes per paw, depending on whether it is the front or back paw.

SOLUTION: four

PROBLEM: Most annual plants require at least _ week from seed germination until bloom.

SOLUTION: ten

PROBLEM: Most phosphorus comes from _ sources, sewage and runoff.

SOLUTION:
two