SOLUTION: The sum of digits of a two digit numbers is 9 and if 9 is added to the number the digits are interchanged. Find the required number.

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Question 1047838: The sum of digits of a two digit numbers is 9 and if 9 is
added to the number the digits are interchanged. Find the
required number.

Answer by ikleyn(52794) About Me  (Show Source):