Answer:
6%
Explanation:
The population growth must take into account the natural growth (briths - deaths), plus the growth from migration into the community.
The natural growth was 3 people, because there were 12 births and 9 deaths. And we must add 3 other people from the family who moved in. Thus, the total growth of the community is 6 people. In percentual, the rate of growth was 6%
