TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Females inherit _ X chromosomes, one from each parent.

SOLUTION: two

PROBLEM: Most people go back to work within _ to three months after having a heart attack.

SOLUTION: one

PROBLEM: Trees begin to bear _ to seven years after planting the root shoot.

SOLUTION:
five