At a party, the ratio of the number of men to the number of women was 2 : 1. If 30% 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 |
2 u |
1 u |
Change |
- 1.3 u |
- 0.3 u |
After |
0.7 u |
0.7 u |
Number of women that left
= 30% x 1 u
=
30100 x 1 u
= 0.3 u
Number of women that remained
= 1 u - 0.3 u
= 0.7 u
Number of men that needed to leave = 2 u - 0.7 u= 1.3 u Percentage of men that must leave = 1.32 x 100% = 65% Answer(s): 65%