There were 4 times as many girls as boys at a function. After 14 boys left, the number of girls was 12 times the number of the remaining boys. How many people attended the function?
| |
Girls |
Boys |
Total |
| Before |
4x3 =
12 u |
1x3 =
3 u |
15 u |
| Change |
|
- 14 |
|
| After |
12 u |
1 u |
|
The number of girls at first and in the end remains unchanged. Make the number of girls the same. LCM of 4 and 12 is 12.
Number of boys who left
= 3 u - 1 u
= 2 u
2 u = 14
1 u = 14 ÷ 2 = 7
Number of people who attended the function
= 12 u + 3 u
= 15 u
= 15 x 7
= 105
Answer(s): 105
