In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Coral reefs make up only _ per cent of the area of the Great Barrier Reef.

Answer: five


Question: White sturgeon inhabit _ large river systems, all on the western coast of North America.

Answer: three


Question: Clouded leopards can see about _ times better than humans can in the dark.

Answer:
six