Two integers.
Two of them.
Well, well, well, looks like we've got ourselves a little math puzzle, don't we? The numbers that fit the bill are 46 and 37. Both fall between 41 and 47, and their digits add up to 10. Voilà!
20 number
The answer is 28
37
It is 28 because 2+8 = 10
10. They are the first ten multiples of 9.
28
10
When the sum of the digits you are adding is 10 or larger.
10 9+9+1 = 19 1+9=10