Posted by daniel's mom on Monday, September 3, 2012 at 1:00pm.
it is a three digit
whose ten digit is 3
its hundred digit is 4 more than its one digit, which is an odd number less than 5
no two digits are the same
I need help on how to do this. too many years for mommy

4th grade math  Steve, Monday, September 3, 2012 at 1:11pm
if the digits are h,t,u for hundreds, tens, units, then the number is
hdu
Now, just start using the given info:
tens digit is 3, so
hdu = h3u
the ones digit is odd and less than 5. There are only two such numbers: 1 and 3. But 3 is already used, so
hdu = h31
Now, hundreds is 4 more than ones, so
hdu = 531
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