Question 1044640: A certain number is less than a number obtained by reversing the digits by 9.Also the sum of the two numbers is 77.Find the number Found 2 solutions by Alan3354, ikleyn:Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! A certain number is less than a number obtained by reversing the digits by 9.Also the sum of the two numbers is 77.Find the number
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Reversing the digits of a 2 digit number changes the value by 9 times the difference between the 2 digits.
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For a change of 9, difference = 1 between 1's and 10's digits.
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T - U = 1
T + U = 7
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T = 4
U = 3
Or vice versa.
