Question

please answer this question as soon as possible ​

Answer 1

GOOD MORNING!!

Let the two digit number be xy

Where y is at one's place and x is at tense place.

=>

ACCORDING TO THE QUESTION

x = 2y

And

x + y = 12.... Equation ( i )

put value of x = 2y in equation ( i ) we get

2y + y = 12

=>

3y = 12

=>

y = 4

Now, put value of y in equation ( i ) we get

x + 4 = 12

=>

x = 12 -4

=>

x = 8

So, the two digit number is 84