Question

The average age of 3 children is 9 years. This gets doubled if one of
their father's age is also included. The age of the father is​

Answer 1

answer:

45 years

Explanation:

27 will be the sum of ages of children

if x is the age of father then

(27 + x) will be the new sum

( 27 + x)/4= 18

x = (18*4 )- 27

x = 72-27

= 45

thus, the age of father is 45

Answer 2

Answer:

The mother's age is 45 years.

Explanation:

Given:

Average age of 3 children is 9 years.

To find:

The age of the father is​

Step 1

The average age of 3 children exists 9 years.

9 = sum of age of 3 children/3

27 = sum of age of 3 children

Step 2

Let the age of the number be x.

We are given that the average age of 3 children exists 9 years which gets doubled if the mother's age is included

Sum of the age of 3 children and mother = 27 + x

18 = sum of age of 3 children and mother/4

72 = sum of age of 3 children and mother

27 + x = 72

x = 72 - 27

x = 45 years

Therefore, the mother's age is 45 years.

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