At a parade, the ratio of the number of men to the number of women was 15 : 2. If 40% 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 |
15 u |
2 u |
Change |
- 13.8 u |
- 0.8 u |
After |
1.2 u |
1.2 u |
Number of women that left
= 40% x 2 u
=
40100 x 2 u
= 0.8 u
Number of women that remained
= 2 u - 0.8 u
= 1.2 u
Number of men that needed to leave = 15 u - 1.2 u= 13.8 u Percentage of men that must leave = 13.815 x 100% = 92% Answer(s): 92%