The number of boys in the robotics club was
12 the number of girls in it. The number of boys in the computer club was
45 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 computer club. Find the ratio of the number of girls in the computer club to the number of girls in the robotics club.
Robotics Club |
Computer Club |
Boys |
Girls |
Total |
Boys |
Girls |
Total |
1x10 |
2x10 |
3x10 |
4x3x3 |
1x3x3 |
5x3x3 |
|
|
2x5x3 |
|
|
3x5x3 |
10 u |
20 u |
30 u |
36 u |
9 u |
45 u |
The total number of students in the computer club is the same. LCM of
5 and
3 =
15The total number of students in the robotics club is the same. LCM of
3 and
10 =
30Girls in the computer club : Girls in the robotics club = 9 : 20
Answer(s): 9 : 20