Answer:
There are 8 and 12 balloons for groups A and B, respectively.
Explanation:
The ratio 2 : 3 means that there are 2 balloons in group A for each 3 balloons in the group B. The amounts of balloons asigned to each groups are determined by the following formulas:
Group A


Group B

There are 8 and 12 balloons for groups A and B, respectively.