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| Acmlm's Board - I2 Archive - Brain Teasers - Math riddle i can't answer... |
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black dragoon Octorok Level: 10  Posts: 13/29 EXP: 3814 For next: 600 Since: 03-15-04 From: Pekin, US Since last post: 183 days Last activity: 125 days |
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| dracoon is right in the way he add it up if you multiply you end up confuseing your self as you did. | |||
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SGT_Vegitto Octorok Level: 8  Posts: 9/22 EXP: 1969 For next: 218 Since: 11-03-04 From: Courtenay, BC, Canada Since last post: 235 days Last activity: 235 days |
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| This might be a bit old of a thread but i got the answer for it. If they each started off paying 30 that means they each payed 10. 1st. 10 2nd. 10 3rd. 10 once the clerk realized he overcharged he gave the bellhop 5 back to give to the people, the bellhop relaized he couldn't divide it evenly so he took 2 and gave the guys each one back. 1st. 9 2nd. 9 3rd. 9 bellhop. 2 If you stopped there you would get a total of 29. The question isn't asking where the other zenny wen't but rather how much they got back, they started with 30, got 5 back, then each of the 3 guys got 1 back and the bellhop kept 2. (10 + 10 + 10 = 30... 30 - 5 = 25... 25 + 1 + 1 + 1 + 2 = 30) Your problem in this question is the fact that you are subtracting and then multiplying afterwords, you need to use only subtraction and addition because the multiplication messes it up. What they payed from what they got back which causes a misshap in the ammount of money they recieved. If that dosen't explain it to how much you want i will go into more depth about it. |
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Jaspile Red Koopa Level: 20  Posts: 67/133 EXP: 37467 For next: 4972 Since: 03-15-04 From: Paris, France Since last post: 20 hours Last activity: 11 hours |
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| I think you don't have to obtain a total of 30, but 25. Each guy spent 9z, = 27z spent in total ; but they should get back more money, so they spent more than they should. I believe the right formula is 9 x 3 - 2 = 25 |
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me99909 Buzz Blob Level: 28 Posts: 137/296 EXP: 122579 For next: 8759 Since: 04-02-04 Since last post: 31 days Last activity: 8 hours |
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| Look, Start 1st 10 2nd 10 3rd 10 Payed for hotel 1st/2nd/3rd 0 Hotel 30 Bellhop is sent back 1st/2nd/3rd 0 Hotel 25 Bellhop 5 Bellhop takes two, and gives the guys back 1 each 1st 1 2nd 1 3rd 1 Hotel 25 Belhop 2 1 + 1 + 1 + 25 + 2 = 30 That is what you want The rest was just bad logic Look at 3 x 9 Originally posted by me99909 they ended up having three back, while the bellhop kept 2 the thing is, The 2 that the bellhop kept is part of the cost!!!! Therefore, Originally posted by me99909 should be : :and that plus the 3 the guys kept makes 30:: SGT_Vegitto is pretty much right I just hope that this post stops all the confusion |
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| Acmlm's Board - I2 Archive - Brain Teasers - Math riddle i can't answer... |
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