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#1
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4 years ago
#2
Billie = Alice x 2

Billie = 2/3 x chris, rearrange

Chris = 4/5 x age, rearrange
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#3
(Original post by Vikingninja)
Billie = Alice x 2

Billie = 2/3 x chris, rearrange

Chris = 4/5 x age, rearrange
I don't know the amount for Chris
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4 years ago
#4
(Original post by zXcodeXz)
I don't know the amount for Chris
You know what Billie has, rearrange the equation I gave to find Chris. Sorry just don't want to hand over the entire thing.
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#5
(Original post by Vikingninja)
You know what Billie has, rearrange the equation I gave to find Chris. Sorry just don't want to hand over the entire thing.
You might as well tell me please I'm really stupid
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4 years ago
#6
(Original post by zXcodeXz)
You might as well tell me please I'm really stupid
Billie has 8. 8 = 2/3 x chris. Divide 8 by 2/3 so Chris is the subject.
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#7
(Original post by Vikingninja)
Billie has 8. 8 = 2/3 x chris. Divide 8 by 2/3 so Chris is the subject.
So is it 1.3 reoccurring?
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4 years ago
#8
(Original post by zXcodeXz)
So is it 1.3 reoccurring?
No it's 12. Dividing by 2/3 is the same as multiplying by 3/2.
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#9
(Original post by Vikingninja)
No it's 12. Dividing by 2/3 is the same as multiplying by 3/2.
Oh yes sorry, is that it?
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4 years ago
#10
(Original post by zXcodeXz)
Oh yes sorry, is that it?
What do you mean?
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#11
(Original post by Vikingninja)
What do you mean?
Is that the answer or do I do 12x4/5 ?
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4 years ago
#12
(Original post by zXcodeXz)
Is that the answer or do I do 12x4/5 ?
12 = 4/5 x age. So it's the same procedure as the last step.
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#13
(Original post by Vikingninja)
12 = 4/5 x age. So it's the same procedure as the last step.
Ok so that is 9.60 is that the amount of money he has right?
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4 years ago
#14
(Original post by zXcodeXz)
Ok so that is 9.60 is that the amount of money he has right?
No it should become larger. It's 12 divided by 4/5 which is multiplying by 5/4.
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#15
(Original post by Vikingninja)
No it should become larger. It's 12 divided by 4/5 which is multiplying by 5/4.
Oh ok so it's 15?
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4 years ago
#16
(Original post by zXcodeXz)
Oh ok so it's 15?
Yep.
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#17
(Original post by Vikingninja)
Yep.
Thanks so much, how do you know what to do in these type of questions?
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4 years ago
#18
(Original post by zXcodeXz)
Thanks so much, how do you know what to do in these type of questions?
Try and convert the words into mathematical equations, assign variables, form equations, etc...

Moving this to maths btw.
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4 years ago
#19
(Original post by zXcodeXz)
Thanks so much, how do you know what to do in these type of questions?
I create equations from what information the question gives. I then rearrange the equations to find each thing that I need to get to the answer. e.g with Billie = 2/3 x chris and I need to find Chris I multiply both sides by 3/2.
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#20
(Original post by Zacken)
Try and convert the words into mathematical equations, assign variables, form equations, etc...

Moving this to maths btw.
Oh ok, sorry about posting in wrong forum
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