There are 80 children. 45 of them are girls. The amount of boys is equal to:

That means there are 45 girls and 35 boys.
The ratio of boys to girls is: 
Simplify:

Your answer is 7:9
Answer:
867
Step-by-step explanation:
622+180+100=902
902-35=867
Commutative property of addition
1 1/16 is the answer!! Hope this helps! <3 x
Answer:
3/5
Step-by-step explanation:
Hope that this helped :)