A family consists of grand parents ,parents and three children .the average age of the grand parents is 6 years . what is the average of the family?
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Answered by
1
Answer:
A family consists of grandparents, parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family ? = (134 + 70 + 18) / 7 = 222 / 7 = 31(5/7) years
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Answered by
0
Step-by-step explanation:
Required average =
2+2+3
67×2+35×2+6×3
=
7
134+70+18
=
7
222
=31
7
5
years
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