Question

What number should be added to each of the numbers 12, 22, 42 and 72 so that the resulting

numbers may be in proportion? 10, The digits of a two-digit number differ by 3. If the digits are
interchanged and the resulting number is added to the original number, we get 143. What can be the

original number?​

Answer 1

Step-by-step explanation:

i think this is the answer

Answer 2

431

Step-by-step explanation:

I think it is a correct answer