TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Downies range in age from eighteen months to _ years.

SOLUTION: three

PROBLEM: Spatial sensors work in one, two, or _ dimensions.

SOLUTION: three

PROBLEM: Insects are identified by having _ sets of paired legs, while isopods have seven.

SOLUTION:
three