Respuesta :

musiclover10045
volume of A = 1728

volume of B = 729  

(1728 / 729) = (a / b)^3  (a = width of A, b = width of B)
  a / b = cube root (1728 / 729)  = 4/3    b = 10 (given)
a / 10 = 4/3 
  a = 40/3 = 13.33333
 so width of A is 13.33m