3 years ago the average age of husband and a wife was 27 years when the child was born the average age of husband the wife and anew born child is 21 years now the present age of child
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atq,
husband+wife/2 = 27 years
husband+wife+child/3 = 21 year
we know husband + wife = 54
then plugging in the values,
child = 63 - 54
= 9 years old
husband+wife/2 = 27 years
husband+wife+child/3 = 21 year
we know husband + wife = 54
then plugging in the values,
child = 63 - 54
= 9 years old
zebia:
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hl8
*hlo
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