During a class gathering,
57 of the students were girls and the rest were boys. Halfway, 232 more boys joined in the gathering and there were
37 as many girls as boys. Find the number of students at the class gathering in the end.
|
Girls |
Boys |
Before |
5x3 = 15 u |
2x3 = 6 u |
|
|
+ 232 |
After |
3x5 = 15 u |
7x5 = 35 u |
The number of boys remains unchanged.
LCM of 3 and 5 = 15.
Number of more boys who joined in
= 35 u - 6 u
= 29 u
29 u = 232
1 u = 232 ÷ 29 = 8
Number of students in the end
= 15 u + 35 u
= 50 u
= 50 x 8
= 400
Answer(s): 400