Answer: Percentage of his gross pay which is take-home pay is 80.35%.
Explanation:
Since we have given that
Gross pay of Gavin = $3851
Deduction = $756.72
Amount that take home pay is given by
Gross pay - Deduction

Percentage of his gross pay which is take - home pay is given by

Hence, Percentage of his gross pay which is take-home pay is 80.35%.