SOLUTION: a number is less than 100 and its tens digit is 2 more than its units digit. if the number with the digits reversed is subtracted from the original number , the remainder is 3 time
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Question 1037150: a number is less than 100 and its tens digit is 2 more than its units digit. if the number with the digits reversed is subtracted from the original number , the remainder is 3 times the sum of the digits. find the number
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the tens digit
Let = the units digit
------------------------
(1)
(2)
------------------------------------
Substitute (1) into (2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
and
(1)
(1)
The number is 42
--------------------
check:
Number with digits reversed: 24
OK
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