Mathematics, 22.07.2020 01:01 martinezizzie
The average age of 4 children is 15 years. If the ages of their parents are added, the average age is 25. What is the age of the father if he is 4 years older than his wife?
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The average age of 4 children is 15 years. If the ages of their parents are added, the average age i...
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