Question

The sum of digits of a 2 digit number is 15.If 27 is subtracted from the number digits interchange their places.What is the number

Answer 1

Answer:

let the numbers be X and 15-x

(10x +15-x)= 150-10x +X+27

9x+15= 177-9x

162=18x

X=162/18

X=9

therefore x-15 =6so the numbers are 69and96