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A family, made up of 2 parents with children, has an average age of 20.
If you exclude one parent, who is 40, the average age drops to 15.
How many kids are in the family?
let the number of members be N
thus number of children=3
The average age of a family of 6 members is 22 years. If the age of the youngest member be 7 years, the average age of the family at the birth of the youngest member was?
Mr. and Mrs. Jones have three children, all under the age of 20, but none with the same age.
Last year, the product of the three ages was 224.
This year the product of the three ages is 360
What are the children's ages now?
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