Of the teams competing in the world archery championships, Fifty percent are from Europe. Half as many are from the United States and one twentieth are from Africa. What fraction of teams are from neither Europe, the US or Africa. Select:	A) 13/20	B) 15/20	C) 13/15	D) 3/20	E) 4/20
Half as manymeans half of 4/20U, then   4/20U 50%   US 25%   AF 5%   the rest is 20%, answer 4/20
<result>E</result>
Of the teams competing in the world archery championships, Fifty percent are from Europe. Half as many are from the United States and one twentieth are from Africa. What fraction of teams are from neither Europe, the US or Africa.