Of the teams competing in the world archery championships, Sxity 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.  Choices:  A) 2/20  B) 15/20  C) 3/15  D) 1/20  E) 13/17
Half as manymeans half of EU, then   EU 60%   US 30%   AF 5%   the rest is 5%, answer 1/20
<result>D</result>
Of the teams competing in the world archery championships, Sxity 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.