Question

one of the two digits of two digit is 3 times of the other digit. If interchange the digits of this two digits of this two digits number and add it original number you can get 88. What is orginal number?​

Answer 1

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Let the unit place digit of a two-digit number be x.

Therefore,

the tens place digit = 3x.

Hence,

the 2-digit number = 31 x = 31 × 2 = 62

31x=31\times2=62

31x=31×2=62.

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Answer 2

Answer:

Let the unit place digit of a two-digit number be x.

Therefore,

the tens place digit = 3x.

Hence,

the 2-digit number = 31 x = 31 × 2 = 62

31x=31\times2=62

31x=31×2=62.

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