Question

A sample of 80 high school seniors,45% were are female were surveyed as to wheather or not they are employed outside of school , 25 % of the boys surveyed said they are not employed how many boys are employed

Answer 1

The first thing we must do for this case is find the number of boys surveyed.
 We have then:
 (1-0.45) * (80) = 44
 We are now looking for the number of boys employed.
 We have then:
 (1-0.25) * (44) = 33
 Answer:
 there are 33 boys employed.