In a survey of parents, exactly 5/6 of the mothers and 3/4 of the fathers held full-time jobs. If 40 percent of the parents surveyed were women, what percent of the parents did not hold full-time jobs? Select the correct option
A) 10%  B) 12%  C) 15%  D) 18%  E) 22%
Fathers without full-time jobs are 1/4*3/5 = 3/20 of all the parents surveyed.   Mothers without full-time jobs are 1/6*2/5 = 1/15 of all the parents surveyed.   The percent of parents without full-time jobs is 3/20 + 1/15 = 13/60 which is about 22%   The answer is 22%.
<result>E</result>
In a survey of parents, exactly 5/6 of the mothers and 3/4 of the fathers held full-time jobs. If 40 percent of the parents surveyed were women, what percent of the parents did not hold full-time jobs?