Ten percent of the women in a college class are science majors, and the non-science majors make up 80% of the class. What percentage of the men are science majors if 40% of the class are men?
Choices:
A) 15% B) 25% C) 35% D) 45% E) 50%
Science majors make up 0.2 of the class.   60% of the class are women and   0.1*0.6= 
<gadget id="calculator">  0.1*0.6</gadget>
<output>0.06</output>
0.06 of the class are female science majors.   Then 0.14 of the class are male science majors.   0.4x= 0.14   x = 0.35 = 35%   The answer is 35%.
<result>C</result>
Ten percent of the women in a college class are science majors, and the non-science majors make up 80% of the class. What percentage of the men are science majors if 40% of the class are men?