SOLUTION: The sum of the digits of a three-digit number is 9 and the tens digits of the number is twice the hundreds digits. The units digit is one more than the hundred digit. What is the o

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Question 1169771: The sum of the digits of a three-digit number is 9 and the tens digits of the number is twice the hundreds digits. The units digit is one more than the hundred digit. What is the original number
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
x+y+z=9
y=2x
z=x+1
so x+2x+x+1=9
4x=8
x=2
y=4
z=3
243