Question

sum of the digits of a two-digit number is 8 when we interchange the digits, it is found that the resulting number is less than the original number by 54 what is the two-digit number

Answer 1

Answer:

let the digits are x and y

x+y=8

10x+y-54=10y+x

9x-9y=54

x-y=6

So, x+y=8

x-y=6

then2x=14So,x=7

y=1

the original number is 71

Answer 2

Answer:

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