Every time you subtract the first and second digits of the 2-digit number you chose, it comes up with a multiple of 9.
For example, 25-2-5=18. 18 is a multiple of 9.
So is: 75-5-7=63. 63 is a multiple of 9.
On the Regifting Robin gift list, all of the numbers that are a multiple of 9 have the same gift.
For example, let's say you did: 99-9-9=81.
The number you got will always be a multiple of 9, so all the multiples of 9 get the same gift:
and so on and so forth. The gift changes every time to make it more convincing. Labelmaker is an example of a gift. It won't be labelmaker every time.
So the question should be why is it that we always end up with multiples of 9?
Let the number N = Ones+ 10x + 100y + 1000z + ... (example : 574 = 4 + 7*10 + 5*100 )
Its digits are w, x, y, z, ... So the sum of the digits is w + x + y + z + ... = S.
So, N - S = D = (ones-ones) + (10x-x) + (100y-y) + (1000z -z) + ... = 9x + 99y + 999z + ... = 9 (x + 11y + 111z + ...)
So, N - S is a multiple of 9.
But, there is more:
Once again let N = ones + 10x + 100y + 1000z + ...
We want to prove that, if the sum of its digits, S is divisible by 9, then so is the number, N, and conversely.
If S is divisible by 9, then S = 9p. Now add the number D to this, calculated above. S + D = 9p + D. But we saw previously that D itself is a multiple of 9, so D = 9q. Hence, S + D = 9p + 9q = 9(p+q) = 9r, say. But then, S + D is nothing but N. So N = 9r, which is what we wnted to show?
The converse is proved by starting with N = 9r and subtracting D to yield S = 9(r-q) = 9p,say.
See the Related Link for more info on the workings of Regifting Robin.
(10*x + y) - x - y = 9*x
Religious Regifting! ;D
National Re-Gifting Day occurs on the Thursday before Christmas.
No, Robin Hood did not work he was an outlaw when he came back from the crusades.
No he did not
You can't work at Red Robin until you are sixteen. I called the manager there because I wanted to work there but she said you have to be sixteen.
Well i work at Red robin as a hospo or host and i get paid $8.00/hr
Robin Smith has written: 'Work control and managerial prerogatives in industrial relations'
robin traditionally did all manner of drudging work for people, to be rewarded with a bowl of cream.
The cast of Dirty Work - 2010 includes: Andreas Cruickshank as Andrew Jonas Delerud as Dave Robin Torbergsen as Robin
DEFinitely fun -and tempting!
If you mean Sir Robin Day, the political broadcaster and commentator, then he was most famous for his work as a television journalist in his career from the 1950s to the 1990s. If you mean Robin Day, the designer, then he was most famous for his work in furniture designing from the 1950s.