Found 14th Mar 2011
Help please from brainboxes of HUKD.
I have a tenner riding on this with my better half.

If x=5 and y=7 what is 6xy?

Thanks for the help.

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21 Comments

210

210

210 is my answer too, worked it out before opening the thread so I didn't see the other two.

(6x5)x7=210
Edited by: "chesso" 14th Mar 2011

Original Poster

Thanks everyone.

211

chesso

(6x5)x7=210



Why the brackets?

thedish

Thanks everyone.


So which one of you was right?

what is 6xy?


My Mrs?

cARdbOArdmuNKey

So which one of you was right?



im guessing the fact that he is liking the 210 answers, he must be that one

Childishly I just wanted someone to say no it isn't

I'm not sure what answer there is apart from 210?

thesaint

Why the brackets?



Putting something in brackets means you do that problem first. So (6x5)x7 means you do 6x5 first, which = 30. Then you multiply 30 by 7, which = 210.

couldn't 6xy also be 657??

CFC_Mark

Putting something in brackets means you do that problem first. So (6x5)x7 … Putting something in brackets means you do that problem first. So (6x5)x7 means you do 6x5 first, which = 30. Then you multiply 30 by 7, which = 210.


They are 3 multiplications, so brackets would have no effect on which you solved first as they all have the same priority.

What else could it be?!

wow....lame maths skills if u had to bet on the answer to a simple equation a 7 year old could do!

cdm22

What else could it be?!



As a poster said, it could also be 657.

Original Poster

I was right. Wife had (6x5) + (6x7) = 72. Primary school teacher as well!

cdm22

What else could it be?!

thedish

I was right. Wife had (6x5) + (6x7) = 72. Primary school teacher as well!



Erm, not if its algebra it couldn't.



That would be 6(x+y), and that is pretty worrying.
Edited by: "jah128" 14th Mar 2011

deadmancool

They are 3 multiplications, so brackets would have no effect on which you … They are 3 multiplications, so brackets would have no effect on which you solved first as they all have the same priority.



Ahh i see. Didn't even notice that xD
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