Question

One of the two digits of atwo digit number is three times the other digit. If you interchange the digits of this two digit number and add the resulting number to the original number number, you get 88. What is the number?

Answer 1

let be the number X. another number 3X. 3X and X after interchanging them. 3X + X = 88. 4X = 88. X = 88/4 = 22