In an examination 80% failed in Math and 20% failed in French. If 24% failed in both. What % of students passed in both. Pick one
A) 25%  B) 24%  C) 20%  D) 30%  E) 10%
Passed in Math = 100 - 80= 
<gadget id="calculator">100 - 80</gadget>
<output>20</output>
20%   Passed in French= 100 - 20= 
<gadget id="calculator">100 - 20</gadget>
<output>80</output>
80%   Students who passed Math or French= 100 -24= 
<gadget id="calculator">100 -24</gadget>
<output>76</output>
76%   Students passed in Math and French= (Passed in Math) + (Passed in French) - (Students who passed Math or French) = 20+80-76= 
<gadget id="calculator">20+80-76</gadget>
<output>24</output>
24%   ANSWER:24%
<result>B</result>
In an examination 80% failed in Math and 20% failed in French. If 24% failed in both. What % of students passed in both.