Question

The unit diget is twice the tens diget if the number is doubled it will be 12 more then the reversed number fine the number

Answer 1

9514 1404 393

Answer:

48

Explanation:

Let t represent tens digit.

Double the number will be ...

2(10t +2t) = 24t

The reversed number is ...

10(2t) +t = 21t

If the doubled number is 12 more than the reversed number, we have ...

24t = 21t +12

3t = 12

t = 4

The number is 48.

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Check

The doubled number is 96, and the reversed number is 84. 96 -84 = 12.