- 08 Mar '03 20:05Three men go to a hotel and ask how much for a room. Manager says $30. Each man pays $10. After awhile the manager decides he charged to much. He then gives the bellhop $5 and says to give it back to the men. On the way to the room, the bellhop decides to keep $2. He then gives each man $1 back. That makes each man paying $9. Three times 9 equals 27 that the men paid. 2 that the bellhop kept plus 27 that the men paid adds up to 29. Where is the other dollar?
- 08 Mar '03 20:44

If you write it down there is no missing dollar, there can not be.*Originally posted by lionel***Three men go to a hotel and ask how much for a room. Manager says $30. Each man pays $10. After awhile the manager decides he charged to much. He then gives the bellhop $5 and says to give it back to the men. On the way to the room, the bellhop decides to keep $2. He then gives each man $1 back. That makes each man paying $9. Three times 9 equals 27 that the ...[text shortened]... aid. 2 that the bellhop kept plus 27 that the men paid adds up to 29. Where is the other dollar?**

25+3 is 28, bell boy gets 2 =30

25 does not divide down by 3, i think that is where the issue is - you need to add on to 25 not take off 30?

Andrew - 09 Mar '03 02:11Agreed. The problem with the equation is that the end question multiplies instead of using addition/subtraction. Because the bell boy took the 2 off from the 30 the multilples hold a different percentile value for each guest versus the initial sum. The numerical values are sensitive to the sequence of events, and thusly the end questions use of multiplication is faulty.
- 09 Mar '03 18:09

Omnislash*Originally posted by Omnislash***Agreed. The problem with the equation is that the end question multiplies instead of using addition/subtraction. Because the bell boy took the 2 off from the 30 the multilples hold a different percentile value for each guest versus the initial sum. The numerical values are sensitive to the sequence of events, and thusly the end questions use of multiplication is faulty.**

Have you ever come across the Plain English Campaign?

Here's a link to the website...

www.plainenglish.co.uk

...please take a few moments to read some of the advice given on the website.

Ta

Tim - 09 Mar '03 21:48 / 1 edit

The three men are each down $9. The manager is up $25. The bellhop is up $2. No problem.*Originally posted by lionel***Three men go to a hotel and ask how much for a room. Manager says $30. Each man pays $10. After awhile the manager decides he charged to much. He then gives the bellhop $5 and says to give it back to the men. On the way to the room, the bell ...[text shortened]... lus 27 that the men paid adds up to 29. Where is the other dollar?**

If you want to know where the $30 are, there is no single 'other dollar'. Instead the men got a $3 refund, which you've ignored, and you've double-counted the bellhop's $2 (once as part of the payment, once as what the bellhop keeps). Through these two errors in the arithmetic you arrive at a spurious 'missing dollar'.

I know Omnislash got here first but I think I've explained it better. I don't know what Omnislash means by the money being sensitive to the sequence of events though...

PS Ignore this. Latex bishop got there before both of us and gave a perfectly good explanation. - 10 Apr '03 04:06

You are misleADIONG YOUR audience - don't add the two dollars bus subtract it, then you have 25 + 2 or 27 - 2, which comes out equal. See ?*Originally posted by lionel***Three men go to a hotel and ask how much for a room. Manager says $30. Each man pays $10. After awhile the manager decides he charged to much. He then gives the bellhop $5 and says to give it back to the men. On the way to the room, the bellhop decides to keep $2. He then gives each man $1 back. That makes each man paying $9. Three times 9 equals 27 that the ...[text shortened]... aid. 2 that the bellhop kept plus 27 that the men paid adds up to 29. Where is the other dollar?**