SOLUTION: How many two-digit integers are increased by 11 when the order of the digits is reversed?
Algebra.Com
Question 677032: How many two-digit integers are increased by 11 when the order of the digits is reversed?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
If the units digit is and
the tens digit is , the the
value of the number is
given:
------------------
I don't think it's true for any 2-digit numbers
must be a whole number and not
a fraction, so
where can
be 0 to 9 . Note that if , then
, but the difference of
2 digits can't be
--------------------
and also, can never be
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