In a survey of parents, exactly 9/10 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?	Choices:
A) 27%
B) 21%
C) 19%
D) 18%
E) 16%
Fathers without full-time jobs are 1/4*3/5 = 3/20 of all the parents surveyed.   Mothers without full-time jobs are 1/10*2/5 = 2/50 of all the parents surveyed.   The percent of parents without full-time jobs is 3/20 + 2/50 = 19/100 = 19%   The answer is 19%.
<result>C</result>
In a survey of parents, exactly 9/10 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?