R=xxx
clearly the 1st digit is 0 or 5, so it must be 5, since 3-digit numbers don't usually start with 0.
R=1x5
The second and third digits add to 8
R=135
The last item is redundant.
R is a 3 digit number
The first digit is the answer when the third digit is divided by 5.
The second and third digits add to 8.
The difference of the first and second digit is 2.
1 answer