Question

the age of a man is twice the sum of the ages of his two children. after 20 years, his age will be equal to the sum of the age of his children at that time. find the present age of the man.

Answer 1

Step-by-step explanation:

Sum of the ages of two children=x,

Age of the man=y,

Then,

y=2x ......(1)

After 20 years,

y+20=x+2×20

y−x=20

From equation (1),

2x−x=20

x=20

So, the present age of the man will be 40 years.

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