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# Algebra argument

5y, 8m agoPosted 5 years, 8 months ago
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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5y, 8m agoPosted 5 years, 8 months ago
Options

(21)
1 Like #1
210
1 Like #2
210
1 Like #3
210 is my answer too, worked it out before opening the thread so I didn't see the other two.
1 Like #4
(6x5)x7=210

Edited By: chesso on Mar 14, 2011 20:31
#5
Thanks everyone.
#6
211
#7
chesso
(6x5)x7=210

Why the brackets?
#8
thedish
Thanks everyone.

So which one of you was right?
2 Likes #9
what is 6xy?

My Mrs?
#10
cARdbOArdmuNKey
thedish
Thanks everyone.

So which one of you was right?

im guessing the fact that he is liking the 210 answers, he must be that one :D
#11
Childishly I just wanted someone to say no it isn't
#12
I'm not sure what answer there is apart from 210?
#13
thesaint
chesso
(6x5)x7=210

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.
#14
couldn't 6xy also be 657??
#15
CFC_Mark
thesaint
chesso
(6x5)x7=210

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.

They are 3 multiplications, so brackets would have no effect on which you solved first as they all have the same priority.
#16
What else could it be?!
#17
wow....lame maths skills if u had to bet on the answer to a simple equation a 7 year old could do!
#18
cdm22
What else could it be?!

As a poster said, it could also be 657.
#19
I was right. Wife had (6x5) + (6x7) = 72. Primary school teacher as well!
#20
cdm22
What else could it be?!

As a poster said, it could also be 657.

Erm, not if its algebra it couldn't.

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

That would be 6(x+y), and that is pretty worrying.

Edited By: jah128 on Mar 14, 2011 22:09
#21
CFC_Mark
thesaint
chesso
(6x5)x7=210

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.

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