The answer depends on which family and on when their ages are summed.
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When Anne Died in Bergen-Belson she was 15 almost 16.
The sum of the ages of husband and his wife is four times the sum of the ages of their children.Four years ago,the ratio of the sum of their ages of their to the sum of the ages of their children was 18:1 two years hence the ratio will be 3:1. How many children do they have.
11, 31 and 37
Add together the ages of all the objects and divide the sum by the number of objects.
The money crises and all of the kids and familys and such.
It's one giant family
10 and 11
Sum of ages divided by the number of people or things whose ages you are trying to average.
11 and 10
11 and 10
10 and 11