Sum of the 2 digit number is 9. if the digits are reversed, the new number so formed is decreased by 45. Find the number.
Answers
Answered by
2
Answer:
your final answer will be 72
Answered by
2
Answer:
let the number is xy
given
x + y = 9 (1)
when digit are reversed then according to question
(10x + y) - (10y + x) = 45
9x- 9y = 45
x- y = 5 (2)
solving equation (1) and (2) we get,
x = 7 and y = 2
so the number is 72
Similar questions