Average age of 2 brothers and 2 sisters 12 yrs
Father's age is 40 yrs & Mother's age is 38 yrs
Average age of the family = ?
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Answered by
0
Answer:
21
Step-by-step explanation:
the age of all 4 children adds up to 48
12 × 4 = 48
so 48 + 40 + 38 = 126
∴ average age = 126 ÷ 6 = 21
Answered by
1
Answer:
The average age of the family = 31.5
Step-by-step explanation:
The average age of 2 brothers and 2 sisters = 12 yrs
Total age of the 2 brothers and 2 sisters = 12 x 4
= 48
Average age of the family = 40 + 38 + 48 / 4
= 126 / 4
= 31.5
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