At the laser tag park, there were 17 as many girls as boys and 34 as many adults as children. If there were 20 more adults than girls at the laser tag park, find the total number of people at the laser tag park.
Adults |
Children |
Total |
3x2 |
4x2 |
7x2 |
|
Girls |
Boys |
|
|
1x1 |
7x1 |
|
6 u |
1 u |
7 u |
14 u |
Number of children is the combined repeated identity. Make the number of children the same. LCM of 8 and 4 is 8.
Number of more adults than girls
= 6 u - 1 u
= 5 u
5 u = 20
1 u = 20 ÷ 5 = 4
Total number of people
= 14 u
= 14 x 4
= 56
Answer(s): 56