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Jr Admin

"Ladies and gentlemen, Forum_Reader has joined the forum. Thank you and goodnight."

Moderators

I think you're supposed to tell us about yourself...not say that you joined! ur a bad Canadian, haha. Welcome

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Jr Admin

Well, as xPloit said, I'm Canadian, I'm a whiz at batch, I'm 15, and I currently have an 91 average in school. I'll answer practically any (appropriate) question you ask.-xPloit wrote:I think you're supposed to tell us about yourself...not say that you joined! ur a bad Canadian, haha. Welcome

Moderators

I have a question. Literally, came straight out of my college textbook:

If 3 * 5 = 4 ; 3 * 6 = 3 and 2 * 8 = 2. What does 1 * 7 =?

If 3 * 5 = 4 ; 3 * 6 = 3 and 2 * 8 = 2. What does 1 * 7 =?

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Admin

-xPloit wrote:

If 3 * 5 = 4 ; 3 * 6 = 3 and 2 * 8 = 2. What does 1 * 7 =?

wow

Jr Admin

Well, if we're in some messed up alternate universe where:-xPloit wrote:I have a question. Literally, came straight out of my college textbook:

If 3 * 5 = 4 ; 3 * 6 = 3 and 2 * 8 = 2. What does 1 * 7 =?

if x is odd and y is odd then xy=x+1

if y is even then xy=x

Then 1*7 must equal 2!

Moderators

but what would happen if i changed the order of x and y? The product would remain the same, but x and y would be the opposite.

2 * 3 = 6

3 * 2 = 6

same answer, same "X and Y" but X==Y && Y==X

2 * 3 = 6

3 * 2 = 6

same answer, same "X and Y" but X==Y && Y==X

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Jr Admin

But is that in your textbook?-xPloit wrote:but what would happen if i changed the order of x and y? The product would remain the same, but x and y would be the opposite.

2 * 3 = 6

3 * 2 = 6

same answer, same "X and Y" but X==Y && Y==X

Moderators

I dont have the book anymore, I just remember the problem. I emailed my teacher the answer and here's what I said

He never replied back XD

I am giving up on this one. Mainly because of one thing that I cannot wrap my head around. The question of this question really is "What does 7 equal?" (1 * 7 = 7)

But the thing that I am unable to get past is this:

3 * 5 = 4

3 * 6 = 3

--therefore--

3 * 5 > 3 * 6

...

5 > 6

I can't work with that...A few things I did try that might be worth advancing on is that I took the equations and broke them down to find the relationship between the numbers, based on what 1 =. For example,

2 * 8 = 2

16 = 2

1 = 8

each number in this equation is 1/8 of it's written value.

But

3 * 6 = 3

18 = 3

1 = 6

each number in this equations is 1/6 of it's written value.

This is the second thing that I'm really concerned about. It's not consistent. Which makes me feel like this question is not based on solid logistics. The numbers don't support the reason.

The other thing is this

3 * 5 = 4

3 * 6 = 3

4 + 3 = 7

7 = (3 * 5) + (3 * 6)

Those were the two things that I thought would get me somewhere, but mainly due to the two reasons I said, I really do not see any logical way to attack this problem.

He never replied back XD

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