The average age of a husband and wife,who wer | vedclass

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(B) The sum of the ages of the husband and wife at the time of marriage was $25 	imes 2 = 50 \, 	ext{years}$.Since they were married $7 \, 	ext{yea

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$2$

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(B) The sum of the ages of the husband and wife at the time of marriage was $25 	imes 2 = 50 \, 	ext{years}$.Since they were married $7 \, 	ext{years}$ ago,the current sum of their ages is $50 + (7 	imes 2) = 50 + 14 = 64 \, 	ext{years}$.The current average age of the family (husband,wife,and child) is $22 \, 	ext{years}$.The total age of the family is $22 	imes 3 = 66 \, 	ext{years}$.The present age of the child is the difference between the total family age and the sum of the parents' ages: $66 - 64 = 2 \, 	ext{years}$.

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