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Unread 09-03-2021, 10:43 AM   #11
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9 x 9 + 9 = 90
8 x 8 + 8 = 72
7 x 7 + 7 = 56
6 x 6 + 6 = 42

3 x 3 + 3 = 12
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Unread 09-03-2021, 10:44 AM   #12
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I agree with Randy. It's 12.
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Unread 09-03-2021, 10:54 AM   #13
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I did it this way--
9x8=72
8x7=56
7x6=42
6x5=30
5x4=20
4x3=12
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Unread 09-03-2021, 12:20 PM   #14
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Assuming there is a 5 and a 4 in the table Reggie would be correct, but there isn’t.
Going strictly by the numbers in the table I’ll stick with 18.

In fact, 9 = 90 is an assumption as well because we are expected to assume there is a 10 above the 9 in the sequence.



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Unread 09-03-2021, 12:28 PM   #15
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Quote:
Originally Posted by Dean Romig View Post
Assuming there is a 5 and a 4 in the table Reggie would be correct, but there isn’t.
Going strictly by the numbers in the table I’ll stick with 18.

In fact, 9 = 90 is an assumption as well because we are expected to assume there is a 10 above the 9 in the sequence.



.
Exactly. The clue is the very first line. That tells you to use "logic" to compute the answer.
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Unread 09-03-2021, 02:01 PM   #16
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I also approached this as did Reggie, but when the implication was that it was incorrect, I went back and looked at the numbers as if there were no others.

So, assuming this: the progression from 6 to 3 is that 3 is half of 6. Following this then 3.5 is half of 7. So, if the numbers are multiplied, 3 times 3.5 is 10.5.

Hey, when you're told your wrong you have to keep trying...what can I say?
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Unread 09-03-2021, 06:32 PM   #17
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My vote is 12
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Unread 09-03-2021, 06:44 PM   #18
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My thought process
9-90 - 18
8-72 - 16
7-56 - 14
6-42 - 12
5-30 - 10
4-20 - 8
3-12 - 6
2-6 - 4
1-2 - 2
0-0
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Unread 09-04-2021, 01:20 AM   #19
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I'm with Reggie and Randy on this. It would seem each equation is on it own and not linked. In each the first number is multiplied by a number one higher than itself so:
9x10=90
8x9=72
7x8=56
6x7=42
3x4=12
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Unread 09-04-2021, 01:41 PM   #20
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I have no doubt it is 12. I'll have to reread the thread to see where the 18 comes from.
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