Answer:
3 children for 1 family
Explanation:
We can find this out by dividing by two.
6 children ÷ 2 families = 3 children for 1 family
Because we split 6 in half, we also split 3 and get 1.
The answer/unit rate is 3 children for 1 family.
This is because we can use equal ratios and proportions to find out what are the unit rates for the numbers.