In ms. morales's class the ratio of boys to girls are 3: 7. the class sizes at ms. morales's school ranges from 22 to 34 students per class. what is the total number of students in ms. morales's class?

30

Step-by-step explanation:

boys:  girls  : total

3           7       3+7 =10

The total number of students must be a multiple of 10

The class size is between 22  and 34

The only multiple of 10 between those numbers is  30

10,20,30,40

Therefor the class size must be 30