Question 1101663: What is the mystery number? This three-digit number has a hundreds digit two greater the tens digit, and a ones digit greater than the hundreds digit. The sum of the hundreds and ones digit is three times greater than the tens digit.
Answer by josgarithmetic(39617)   (Show Source):
You can put this solution on YOUR website! h Hundreds
t Tens
u Ones
-
 , "...three times greater than the tens digit."
Individual digits for u which could work for this last equation:
0, no.
1, yes.
2, no.
3, no.
4, yes.
5, no.
6, no.
7, yes.
8, no.
9, no.
-
The possible TWO-DIGIT part, for the tens & ones, _tu, might be one of:
11, 24, 37
One specified requirement, u>h, units greater than hundreds digit. This means possible tens&units must be from 24, or, 37 .
Determining the hundreds digit:
-
If _24, then  .
If _37, then  .
Specified requirement,  .
_24,  ? No.
_37,  ? YES.......
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The mystery number: 537
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