The number of boys in the band was
12 the number of girls in it. The number of boys in the chess club was
27 the total number of students in it. The total number of students in the band was
12 the total number of students in the chess club. Find the ratio of the number of boys in the band to the number of boys in the chess club.
Band |
Chess Club |
Boys |
Girls |
Total |
Boys |
Girls |
Total |
1x7 |
2x7 |
3x7 |
2x2x3 |
5x2x3 |
7x2x3 |
|
|
1x7x3 |
|
|
2x7x3 |
7 u |
14 u |
21 u |
12 u |
30 u |
42 u |
The total number of students in the chess club is the same. LCM of
7 and
2 =
14The total number of students in the band is the same. LCM of
3 and
7 =
21Boys in the band : Boys in the chess club = 7 : 12
Answer(s): 7 : 12