Question

one of the digits of a two digit number is three times the other digit if you interchange the digits and add the resulting number to the original number you get 88 what is the original number

Answer 1

the digits be x and y
then the number Is 10x+y
then x=3y
10x+y+10y+x=88
11×3y+11y=88
44y=88
y=2
then x=6
then no is 62