The digits of a two-digit number differ by 3. If digits are interchanged and the resulting number is added to the original number, we get 121. Find the original number

Question

asked Jul 19, 2022 90.9k views

1 Answer

Grant Zukowski · Answer 1 · 2022-07-26T01:15:27+0000

Answer:

47

Explanation:

4 and 7 have a difference of 3. And if the digits are interchanged, the number is 74

47 + 74 = 121 so 47 is the original number.