Answers

2014-11-10T21:52:40+05:30
Since the fraction of boys is 5/7, the fraction of girls present should be 2/7.
Therefore no of girls is (2/7)*42 = 12
0
The Brainliest Answer!
2014-11-10T21:54:41+05:30
total no. of students = 42

therefore no. of boys = (5/7)*42

= 30 boys.

therefore , no. of girls = 42-30

= 12 girls.
2 5 2