Asked by Nikita
N is a two digit number such that the number formed by reversing the digits of N is 18 less than N. If the units digit of N is 5, find its tens digit.
Answers
Answered by
Reiny
let the tens digit be x
then the original number is 10x + 5
and the number reversed would be 50 + x
10x+ 5 - (50+x) = 18
solve for x
then the original number is 10x + 5
and the number reversed would be 50 + x
10x+ 5 - (50+x) = 18
solve for x
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