SOLUTION: In a two-digit number, the tens digit is two less than the units digit. If the digits are reversed, the sum of the reversed number and the original number is 154. Find the original

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Question 1079119: In a two-digit number, the tens digit is two less than the units digit. If the digits are reversed, the sum of the reversed number and the original number is 154. Find the original number.


Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Number: 10t%2Bu

system%28t=u-2%2C10u%2Bt%2B10t%2Bu=154%29

11t%2B11u=154
11%28u-2%29%2B11u=154
11u-22%2B11u=154
22u=154%2B22
22u=176
u=8
-
t=6

The number is 68