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:
With probability you can multiply your chances in this case.
Getting an odd number: 1/2
Getting a number greater than 4: 1/6
Therefore it is a 1/12 chance to be both odd and greater than 4
Answer:
I think its B and D
Step-by-step explanation: