TASK DEFINITION: In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
PROBLEM: Sea urchins have _ paired rows of tiny tube feet which are found amongst the spines.

SOLUTION: five

PROBLEM: Spanish mackerel are abundant and range up to _ pounds.

SOLUTION: five

PROBLEM: Black people live about _ fewer years, on average, than white people do.

SOLUTION:
six