Question

The sum of the digits of a two-digit number is 9. Also 9 times this number is twice the
number obtained by reversing the order of the digits. Find the number.

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Answer 1

Answer:

(0,9) (9,0)

(1,8) (8,1)

(2,7) (7,2)

(3,6) (6,3)

(4,5) (5,4)

are the ten sets .

and i would arrange reverse at side of that.