Question

A number consists of 2 digits such that the tens digit is twice the digit in the
units place. If 27 is subtracted from the number, the digits get reversed. Find
the number

Answer 1

Solution

let the digut in one's place is =X

therefore the digit in the ten's place is =2x

now...

the number is =2x×10+x=21x

now...

according to the problem..

$21x - 27 = x \times 10 + 2x \\ = > 21x - 27 = 12x \\ = > 9x = 27 \\ = > x = \frac{27}{9} \\ = > x = 3$

therefore the actual number is =21(3)=63

Hope this helps you.....✌️

Answer 2

Answer:

take ones digit as x and tens digit as 2x 2xx subtracted from 27=2x-27 and x-27  

Step-by-step explanation:

anawer is 24