There were 4 times as many women as men at a party. After 20 men left, the number of women was 20 times the number of the remaining men. How many people attended the party?
|
Women |
Men |
Total |
Before |
4x5 = 20 u |
1x5 = 5 u |
25 u |
Change |
|
- 20 |
|
After |
20 u |
1 u |
|
The number of women at first and in the end remains unchanged. Make the number of women the same. LCM of 4 and 20 is 20.
Number of men who left
= 5 u - 1 u
= 4 u
4 u = 20
1 u = 20 ÷ 4 = 5
Number of people who attended the party
= 20 u + 5 u
= 25 u
= 25 x 5
= 125
Answer(s): 125