SOLUTION: This sum of three digits is 12. The tens digit exceeds the hundreds digit by the same amount that the units digit exceeds the tens digit. If the digits are reversed the new number

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Question 699471: This sum of three digits is 12. The tens digit exceeds the hundreds digit by the same amount that the units digit exceeds the tens digit. If the digits are reversed the new number exceeds the original number by 197. Find the original number.
Answer by DrBeeee(684) About Me  (Show Source):
You can put this solution on YOUR website!
I get 345 if the reverse is 198 more than this. Or 543 = 345 + 198 = 543. Did I goof or is the given value of 197 supposed to be 198?