There are 12 boys and 10 girls in your gym class. if 6 boys joined the class, how many girls would need to join for the ratio of boys to gilrs to remain the see explain.

Step-by-step explanation:

Intial ratio of Boys to Girls is 12/10 --> 6/5

on 6 boys joining the class turns total number of boys to be 18 boys

and let say number of girls is g

for ratio to remain same

6/5= 18/g

g=18*5/6

g=15

So the number of girls that need to join is 5