SOLUTION: The value of a certain two-digit number is 9 times the sum of its digits. If the digits are reversed, the resulting number is 63 then the original number. Find the original number.
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Question 226203: The value of a certain two-digit number is 9 times the sum of its digits. If the digits are reversed, the resulting number is 63 then the original number. Find the original number. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let the units digit be
Let the tens digit be
given:
(1)
(2)
-------------------------
(1)
and
(2)
and
The original number is 81
check:
(1)
(2)
OK
