Question

Sachin is 8 years elder than his sister. In 3 years he will be twice as old as his sister. How old they are now.​

Answer 1

Let- age of his sister be x.

So, the age of Sachin will be=x+8

After 3 years

The age of his sister=x+3

The age of Sachin =x+8+3

                             =x+11=2[x+3]

EQUATION-

2[x+3]=x+11

=2x+6=x+11

=2x-x=11-6

=x=5

So the age of his sister now is 5 years and the age of Sachin is 5+8=13years.

Answer 2

Step-by-step explanation:

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