TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Acrobats mount a single bicycle until _ people in all are stacked on top of it.

SOLUTION: ten

PROBLEM: Butterflies have _ pair of legs - each divided into five parts.

SOLUTION: three

PROBLEM: Interstate commerce is commerce conducted in at least _ states.

SOLUTION:
two