Two numbers are respectively 71% and 80% more than a third number. The percentage that is first of the second is?  Answers.
A) 4%
B) 5%
C) 6%
D) 7%
E) 8%
I II III   171 180 100   180----------171   100-----------? =&gt; 5%   Answer:5%
<result>B</result>
Two numbers are respectively 71% and 80% more than a third number. The percentage that is first of the second is?