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06-12-2019
Mathematics

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The sum of the digits of a certain two-digit number is 9. When you reverse its digits you increase the number by 63. What is the number?

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15-03-2021

Answer:

The number is 18.

Step-by-step explanation:

1+8=9

18 reversed is 81.

81-18=63.

Therefore, the number is 18.

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