WHEN THE NUMBER 29 IS INCREASED BY THE SUM OF ITS DIGITS, THE RESULT IS 40 (IE 29 +2+9=40). WHAT NUMBER WHEN INCREASED BY THE SUM OF ITS DIGITS RESULTS IN 73?
3 answers
59
CAN U TELL HOW THIS WAS WORKED OUT?
5 + 9 = 14
73 - 14 = 59
73 - 14 = 59