Question

7. The age of the father is twice the sum of the ages of his two
children. After 20 years, his age will be equal to the sum of his
children. Find the age of father.


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Answer 1

Step-by-step explanation:

LET THE SUM OF THE 2 CHILDREN BE x AND AGE OF

FATHER BE y

A.T.Q

y = 2x -------------------------(1)

AFTER 20 YEARS....

x + 40 = y + 20

SO , x - y = -20 ..

PUT y = 2x from (1)

x - 2x = - 20

SO, x = 20

NOW PUT x = 20 IN (1)

SO, 2 × 20 = 40

SO THE FATHER AGE IS 40 YRS

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