PSLE Students in a school are put into two groups for an excursion.
16 of the students are in Group A and the rest in Group B.
35 of the students in Group A are boys. In the school,
35 of the students are boys. What fraction of the students in Group B are boys?
Group A |
Group B |
Total |
1x5 |
5x5 |
6x5 |
|
|
5x6 |
5 u |
25 u |
30 u |
Boys |
Girls |
Boys |
Girls |
Boys |
Girls |
3 |
2 |
|
|
3x6 |
2x6 |
3 u |
2 u |
15 u |
10 u |
18 u |
12 u |
The total number of students is repeated.
Make the total number of students the same.
LCM of 6 and 5 is 30.
Number of boys in Group B
= 18 u - 3 u
= 15 u
Fraction of the students in Group B that are boys
=
1525=
35Answer(s):
35