Question

Let the x and y represent the tens digit and ones digit of a two digit number respectively. The sum of the digits of a two-digit number is 9. If the digits are reversed, the new number is 27 more than the original number. What is the original number?
*Write a system of equations to describe the situation
*Find the solution to the system and answer the question.

Answer 1

36
add up to 9
flipped 63-36=27