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Answer: The pink fingernail are defined by the expression x-2 where x is the total number of fingers in both hand. For general case the number of nails with pink nail paint is 8.
Explanation:
Let the total number of fingers in both hands be x.
Since she paints 2 nails by red nail paint, therefore the number of remaining nails is x-2.
She paints pink nail paint on remaining nails, so the total number of pink nails is defined by the expression x-2.
In general case the total number of fingers in both hands is 10, therefore the number of nails with pink nail paint is .
