In a survey about potential presidential candidates A and B, 30% of the public likes A and 50% liked B.If the percentage of the public who like one candidate only is twice the percentage of the public who like both candidates, then what is the percentage of the public that liked neither. Answers:
A) 70%
B) 55%
C) 60%
D) 65%
E) 50%
T=100   70%=30   B=50   Both=x   70% only=30-x   B only=50-x   N=Neither   Given:   70% only+B only=2*Both   30-x+50-x=2x   80=4x   x=20   T=70% only+B only+Both+Neither   100=30-20+20-20+20+N   100=30+N   N=100-30= 
<gadget id="calculator">100-30</gadget>
<output>70</output>
70   70%ns:70%
<result>A</result>
In a survey about potential presidential candidates A and B, 30% of the public likes A and 50% liked B.If the percentage of the public who like one candidate only is twice the percentage of the public who like both candidates, then what is the percentage of the public that liked neither.