TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Most people breathe so poorly that they average between _ and thirty breaths a minute.

SOLUTION: ten

PROBLEM: Reproductive maturity occurs at seven to _ years.

SOLUTION: ten

PROBLEM: Skin color is determined by at least _ genes in humans.

SOLUTION:
three