What 2 digit is 3 times the sum of its digits?

Answer 1

let x = first digit and y = second digit

since the first digit is in the tens column,

10x + y = 3(x + y)

7x = 2y

x = 2/7 y

since x and y are less tahn 1o and each are whole numbers,

y = 7

x = 2

Ans: 27