Question 1183763
the 3 digit number is HTU
H is the hundreds digit
T is the tens digit
U is the units digit.


each digit can be 0 through 9.


if the hundreds digit is 2 times the tens digit, then the tens digit can't be 5 or greater because then the hundreds digit will be two digits.
therefore, the tens digits can only be 0 or 1 or 2 or 3 or 4.


of the tens digit is 3 more than the units digit, then the units digit has to be 3 less than the tens digit.
since the units digit can't be less than 0, then the tens digit can only be 3 or 4.


if the tens digit is 3, then the hundreds digit is 6 and the units digit is 0 and the number is 630.
this satisfies the requirements since the hundreds digit is two times the tens digit and the tens digit is 3 more than the units digit.


if the tens digit is 4, then the hundreds digit is 8 and the units digit is 1 and the number is 841.
this satisfies the requirements since the hundreds digit is two times the tens digit and the tens digit is 3 more than the units digit.


630 and 841 are the only two possibilities as far as i can see.


if you say that the digit can't be 0, then the only possible number is 841.