Answer :
Final answer:
The total income of all the families in group A is calculated by multiplying the average income of $4,400 by the number of families, which is 40, resulting in a total income of $176,000.
Explanation:
To find the total income of all the families in group A, you can multiply the average income by the number of families in the group. The formula to calculate the total income is:
Total Income = Average Income × Number of Families
For group A:
- Average Income of group A = $4,400
- Number of families in group A = 40
Therefore, the total income of group A is:
Total Income of group A = $4,400 × 40 = $176,000
The total income of all the families in group A is $176,000.