Question

The average age of four children is 10 years . If sum of the ages of three children is 32 years, find the age of the 4th child.


please explain step by step

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Answer 1

Answer:

8 years is the age of fourth child

Step-by-step explanation:

age of first child = A

second child = B

third child = C

fouth child = D

A+B+C = 32 Years (GIVEN)

average age =10 years

(A+B+C+D)÷4 = 10 Years

32+D = 40 years

D = 8 Years

Age of fouth child is 8 years

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