a square mirror has exactly half the area of the rectangular wall on which it is hung . if each side of the mirror is 54 inches and the width of the wall is 68 inches , what is the length of the wall , in inches ?
n0 = 54.0
n1 = 68.0
t0 = n0**2
t1 = t0 * 2.0
answer = t1 / n1
print(answer)