By 2010, college graduates, if you said two circles followed by a semicircle, two sixteens followed by what, they would say eight, because eight is half of 16.
Para 2012, los estudiantes universitarios, si les decías 2 círculos seguidos por un semicírculo, dos 16 seguidos ¿por qué?, responderían 8, porque 8 es la mitad de 16.