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Question 582889: The sum of the 3 digits of an even number is 9. What is the number if its ten digits its 1 more than its ones digit?
Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! The sum of the 3 digits of an even number is 9.
What is the number if its ten digits its 1 more than its ones digit?
:
Three digits, a, b, c
:
a + b + c = 9
:
b = c + 1
:
a + (c+1) + c = 9
a + 2c = 9 - 1
a + 2c = 8
a = -2c + 8
:
3 solutions
621
432; the only even number
243
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