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Mathematics, 27.01.2022 03:20 10040813
The average age of a husband and his wife was 25 years when they were married 7 years ago. Now the average age of husband, wife and his son is 23 years. Find the age of son now.
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The average age of a husband and his wife was 25 years when they were married 7 years ago. Now the a...
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