Question

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

Answer 1

Step-by-step explanation:

Let the sum of the ages of two children is x and the age of the father will be y

According to the question,

y = 2x ------------(i)

and After 20 years,

x+40 = y+20

=> x-y = -20

put y= 2x from (i),

x-2x = -20

=> x = 20

So, the sum of the children age is x = 20

Now put x = 20 in (i)

y = 2×20 = 40

Hence, the age of the father will be y = 40 years

Hope this helps you

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