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07-04-2018
Mathematics

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When you reverse the digits in a certain two-digit number you increase its value by 27. find the number if the sum of its digits is 15?

Respuesta :

09-04-2018

The unknown number is 69.

*If you reverse 69, it would be 96. Thus, increasing its value by 27.
96 - 69 = 27

*The sum of its digits 6 and 9 equals to 15.

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