Task: Question Answering
Input (English): Problem: a part - time employee whose hourly wage was increased by 50 percent decided to reduce the number of hours worked per week so that the employee ' s total weekly income would remain unchanged . by what percent should the number of hours worked be reduced ? 
Options: a ) 9 , b ) 13 , c ) 17 , d ) 20 , e ) 33.33
Output (English): e