The two-digit number is 48.
check:
4+ 8 = 12
48 is 6 times its unit digit:
48 = 4(8)
48 = 48
PLEASE click the image below for solution.
(Note: I have posted my answer to this question on November 30 at about 11 a.m. Unfortunately, it was deleted without any notification. My profile does not show that I answered it. I am sure that I've answered this, because I usually review my answers after I have posted it before I proceed to the next question. Is it system error because of the new look? I hope so.)
