At the funfair, there were 15 as many girls as boys and 23 as many adults as children. If there were 18 more adults than girls at the funfair, find the total number of people at the funfair.
| Adults |
Children |
Total |
| 2x2 |
3x2 |
5x2 |
| |
Girls |
Boys |
|
| |
1x1 |
5x1 |
|
| 4 u |
1 u |
5 u |
10 u |
Number of children is the combined repeated identity. Make the number of children the same. LCM of 6 and 3 is 6.
Number of more adults than girls
= 4 u - 1 u
= 3 u
3 u = 18
1 u = 18 ÷ 3 = 6
Total number of people
= 10 u
= 10 x 6
= 60
Answer(s): 60
