So lets times both numbers by 10. So 1 x 10 = 10. And 4 x 10 = 40. So add them up. 10 + 40 = 50. Lets finish this, now just go up. Every time you go up by one, add 4. So that will be 5. Now 5+50=55. We can't fit anything else. So the answer would be 11 men out of 57 women.