Answer
3:2
Explanation
The sum of the ratio of both male and female should give 1
So, subtract the ratio of women from 1 to get ratio of men.
1 - 2/5 = 3/5
Ratio of men is 3/5
Ratio of women is 2/5
Ratio of men to women is
3/5 ÷ 2/5
3/5 x 5/2
3/2 or 3:2
