Answer:
Girls - 15
Boys - 35
Explanation:
30% of the total # of students are girls, so 30% of 50 students are the number of girls. 30% of 50 is 15, so there are 15 girls in the class.
If there are 15 girls, there must be 35 boys because 35 + 15 = 50.
hope this helps! <3