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 34 inches and the width of the wall is 54 inches , what is the length of the wall , in inches ? 
Options: a ) 22.8 , b ) 33.8 , c ) 42.8 , d ) 63.8 , e ) 56.8
Output (English): c