Question

A number consists of two digits and sum of both digits is 12. The digits at ones place is three times the digit at tens place. Find the number

Answer 1

The answer is explained below.

Hope this helps!

Answer 2

Answer:

39

Step-by-step explanation:

let the number at ones place be X

and at tens place be 3x

by problem:

x+3x=12

4x=12

x=12÷4

x=3

3x=3 (3)

3x=9

the number is 39