1.
1) 35 - 22 = 13 - girls in the class
2) 13 / 35 - girls part of the class
2.
1) 12 + 2 = 14 (hours) - have passed since 00:00
2) 14 / 24 = 7 / 12 - elapsed part of the day.
Answers: of the class is girls; of the day has elapsed.
1.
1) 35 - 22 = 13 - girls in the class
2) 13 / 35 - girls part of the class
2.
1) 12 + 2 = 14 (hours) - have passed since 00:00
2) 14 / 24 = 7 / 12 - elapsed part of the day.
Answers:
of the class is girls; 
of the day has elapsed.