Question

A number consists of two digits whose sum is 9. If 9 is subtracted from the number, its digits are
interchanged. Find the numbers.​

Answer 1

9-9=0. 0 is the ans because we have to subtract 9by9 so we get the ans 0

Answer 2

Answer:

54

Step-by-step explanation:

54=5+4=9

54-9=45

The number is 54.

If you add 5+4 you get 9.

If you subtract 9 from 54 we will get 45.. Again sum is 9