SOLUTION: In a positive number of two digits, the sum of the digits is 15. If the digits are interchanged, the number is increased by 9. Find the number.

Question 1161151: In a positive number of two digits, the sum of the digits is 15. If the digits are interchanged, the number is increased by 9.
Find the number.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
In a positive number of two digits, the sum of the digits is 15. If the digits are interchanged, the number is increased by 9.
Find the number.
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Interchanging the digits of a 2-digit number changes the value by 9 times the difference between the digits.
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Since it increases, the units digit is larger than the tens digit.
--->
u - t = 1
u + t = 15

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