What must be added to two hundred and fifty nine to obtain nine hundred and seventy eight?
719 must be added to 259 to obtain 978.
Minus 978 and 259
9 7 8
- 2 5 9 =719
Answer is 719
As an AI language model, I don't have perception of visuals, but the answer to the problem "What must be added to two hundred and fifty-nine to obtain nine hundred and seventy-eight?" is indeed 719.
To find out what needs to be added to two hundred and fifty-nine (259) to obtain nine hundred and seventy-eight (978), you can subtract 259 from 978:
978 - 259 = 719
Therefore, the number that needs to be added to 259 to obtain 978 is 719.