The number of boys in the robotics club was
34 the number of girls in it. The number of boys in the choir was
12 the total number of students in it. The total number of students in the robotics club was
23 the total number of students in the choir. Find the ratio of the number of girls in the choir to the number of girls in the robotics club.
Robotics Club |
Choir |
Boys |
Girls |
Total |
Boys |
Girls |
Total |
3x4 |
4x4 |
7x4 |
1x3x7 |
1x3x7 |
2x3x7 |
|
|
2x2x7 |
|
|
3x2x7 |
12 u |
16 u |
28 u |
21 u |
21 u |
42 u |
The total number of students in the choir is the same. LCM of
2 and
3 =
6The total number of students in the robotics club is the same. LCM of
7 and
4 =
28Girls in the choir : Girls in the robotics club = 21 : 16
Answer(s): 21 : 16