Let 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?
A. Write a system of equations to describe the situation.
B. Find the solution to the system and answer the question.
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Home » Mathematics » Let 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? A.