Question

A number consist of two digits whose sum is 11. The
number formed by reversing the digits is 9 less than the
original number. Find the number.​

Answer 1

Answer:

Step-by-step explanation:

et m and n be the digits of the number. Then:

m+n=11 and

10m+n-9=10n+m

So:  

n=11-m

10m+11-m-9=10(11-m)+m

9m+2=110–9m

18m=108

m=6

n=5

The number is 65…………….