Two numbers are respectively 40% and 60% more than a third number. What percentage is the first of the second?	Choose the correct choice:
A) 72% B) 87.5% C) 63.7% D) 56.9% E) 90%
Required answer = (100+x)/(100+y)*100 = 140*100/160= 
<gadget id="calculator">140*100/160</gadget>
<output>175/2 = around 87.5</output>
87.5%   Answer is 87.5%
<result>B</result>
Two numbers are respectively 40% and 60% more than a third number. What percentage is the first of the second?