The difference between the digits of a 2-digit number is 4. If the places of the digits are interchanged, the sum of the original number and the new number is 110. Find the number?
The difference between the digits of a 2-digit number is 4. If the places of the digits are interchanged, the sum of the original number and the new number is 110. Find the number?
Explanation
For 37:Original number: 37
New number: 73
37 + 73 = 110 (valid)
Difference between digits: 7 - 3 = 4 (valid)