The average age of 10 children is 8 years 2 months. If the average age of 9 children is 6 years 2 months, find the age of the 10th child.
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Answered by
8
Answer:
2 yr will be anssssssss
Answered by
1
Answer:
17 years 3 month's
Step-by-step explanation:
Average age of 10 children = 9 years 9 months
sum of ages of 10 children = 9×10+912×10
= 3904
Average age of 9 children = 8 years 11 months
sum of age of 9 children = 8×9+1112×9
= 3214
Age of 10th child = 3904−3214=694
= 17 years 3 months
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