use to FACTOR(18)
= (1)(12)
(6)(2)
(4)(3)
QUESTION:
If the digits are reversed. The new number is 18 more than the original number. Find the original number.THE ANSWER IS 12, because when you reversed it, (any factor) still the answer 12. And ask The new number is 18 more than the original number.So, the original number is 12.