Answer:
12 children per 17 balloons.
Explanation:
The birthday party has 12 children and there is a total of 17 balloons.
So, the number of children to the number of balloons ratio is given by 12 to 17 or 12 : 17.
Now, if we want to express the relation in terms of rate, then it is expressed as 12 children per 17 balloons.
This can also be represented by
children per balloon. (Answer)