Maybe they're too young to tango, but they're not too young to dance an old-time waltz. They are Garry Sayers, 9, and Ann Crombie, 10, both of Dulwich Hill. Garry and Ann competed against adults in dance competitions held recently by the Federal Association of Teachers of Dancing. Two other pairs of children took part in competitions, but Garry and Ann were the youngest couple. March 12, 1954.