Task: Question Answering
Input (English): Problem: a square mirror has exactly half the area of the rectangular wall on which it is hung . if each side of the mirror is 24 inches and the width of the wall is 42 inches , what is the length of the wall , in inches ? 
Options: a ) 21.4 , b ) 23.4 , c ) 25.4 , d ) 26.4 , e ) 27.4
Output (English): e