Answer :
put it into a ratio! 3/4=x/1200 for example. x will represent how many girls there are if there are 1200 boys.
1. cross multiply —> 4x=3600
2. Divide —> 3600/4=x
3. Answer= 900
Answer: There are 900 girls if there are 1200 boys in the school.
1. cross multiply —> 4x=3600
2. Divide —> 3600/4=x
3. Answer= 900
Answer: There are 900 girls if there are 1200 boys in the school.