At a conference, the ratio of the number of men to the number of women was 5 : 1. If 25% of the women left, what percentage of the men must leave so that there will be an equal number of men and women remaining?
|
Men |
Women |
Before |
5 u |
1 u |
Change |
- 4.25 u |
- 0.25 u |
After |
0.75 u |
0.75 u |
Number of women that left
= 25% x 1 u
=
25100 x 1 u
= 0.25 u
Number of women that remained
= 1 u - 0.25 u
= 0.75 u
Number of men that needed to leave = 5 u - 0.75 u= 4.25 u Percentage of men that must leave = 4.255 x 100% = 85% Answer(s): 85%