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I am a 3 digit odd umber. my tens digit is one less than my hundreds digit but two more than my ones digit. The sum of my digits is 20. who am I?
13 years ago

Answers

Reiny
let the unit digit be x
tens digit is x+2
hundreds digit is x+3

x+3 + x+2 + x = 20
3x = 15
x = 5

number is 875
13 years ago
PsyDAG
Let x = tens digit, the x + 1 = hundreds and x - 2 = ones

3x - 1 = 20

3x = 21

x = 7

x + 1 = ?

x -2 = ?
13 years ago

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