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    (Original post by NothingButWaleed)
    idk how can i work that out?
    8 machines can make all the bottles in 5 days.

    Stage 1 : 8 machines make some of the bottles for 1 day
    Stage 2 : 8 machines make the rest of the bottles for .... days

    This part is simpler than you think. What's the blank?
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    (Original post by notnek)
    8 machines can make all the bottles in 5 days.

    Stage 1 : 8 machines make some of the bottles for 1 day
    Stage 2 : 8 machines make the rest of the bottles for .... days

    This part is simpler than you think. What's the blank?
    4 days?
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    (Original post by NothingButWaleed)
    4 days?
    Correct. And you know that stage 1 actually took 2 days so the answer is 2 + 4 = 6.

    Does this all make sense? I can understand if it doesn't - I'm sure that a lot of grade 9 students would still be confused at this point.
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    (Original post by notnek)
    Correct. And you know that stage 1 actually took 2 days so the answer is 2 + 4 = 6.

    Does this all make sense? I can understand if it doesn't - I'm sure that a lot of grade 9 students would still be confused at this point.
    Oh ok, I understand, it's just it is a 3 marker and some of the 5 markers are easier than this one and it just blew my mind in the exam.

    Thanks for the help, its greatly appreciated!
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    (Original post by _gcx)
    Do you feel that it's a concentration problem, or not understanding the terminology/wording used?
    I think it's a bit of both.
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    How do i go from a grade 4 to 7 in maths in three months?
    I got a U in my mocks (few marks off 4) but i need to get 6 minimum for the courses i want to do
    Is it possible?
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    (Original post by Misaki24)
    How do i go from a grade 4 to 7 in maths in three months?
    I got a U in my mocks (few marks off 4) but i need to get 6 minimum for the courses i want to do
    Is it possible?
    If you really push yourself then you can do it but it's probably going to mean doing extra work in addition to school work.

    Firstly I recommend you buy some revision guides and practice papers. CGP are good and there are Edexcel practice papers that you can buy.

    Then I recommend you print the syllabus and highlight all the areas that you are weak at. For these areas, try youtube for videos on these topics and keep watching them until you understand. Then Google "GCSE questions by topic" and you'll find different websites where you can practice questions on the topic you're stuggling with.

    Also, if you need general help with topic or specific questions then there are many people on this forum who would be really happy to assist and help you reach your target grade. You can either post questions in this thread or start your own threads.

    I'll also mention that it's impossible to predict grade boundaries at this stage and some schools will have made better predictions that others. You may have actually got higher than a 'U'.
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    (Original post by NothingButWaleed)
    Oh ok, I understand, it's just it is a 3 marker and some of the 5 markers are easier than this one and it just blew my mind in the exam.

    Thanks for the help, its greatly appreciated!
    Hi im still confused and im a gcse maths student and i would really like to know the answer to this as well. I read through the posta but i still dont understand it & would really appreciate if someone could explain it. Thanks

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    (Original post by g_a1)
    Hi im still confused and im a gcse maths student and i would really like to know the answer to this as well. I read through the posta but i still dont understand it & would really appreciate if someone could explain it. Thanks

    Posted from TSR Mobile
    There are different ways to do it but this is the quickest:

    For 2 days, only 4 machines are used to make the bottles.

    This is equivalent to saying:

    For 1 day, 8 machines are used to make the bottles.

    So if it takes 5 days for 8 machines to make the bottles then there must be 4 days left.

    2 + 4 = 6.
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    (Original post by notnek)
    There are different ways to do it but this is the quickest:

    For 2 days, only 4 machines are used to make the bottles.

    This is equivalent to saying:

    For 1 day, 8 machines are used to make the bottles.

    So if it takes 5 days for 8 machines to make the bottles then there must be 4 days left.

    2 + 4 = 6.
    You explained it really well.
    I didn't get it at first, but when I read this, and re-read the question, it actually began to make sense.
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    (Original post by notnek)
    If you really push yourself then you can do it but it's probably going to mean doing extra work in addition to school work.

    Firstly I recommend you buy some revision guides and practice papers. CGP are good and there are Edexcel practice papers that you can buy.

    Then I recommend you print the syllabus and highlight all the areas that you are weak at. For these areas, try youtube for videos on these topics and keep watching them until you understand. Then Google "GCSE questions by topic" and you'll find different websites where you can practice questions on the topic you're stuggling with.

    Also, if you need general help with topic or specific questions then there are many people on this forum who would be really happy to assist and help you reach your target grade. You can either post questions in this thread or start your own threads.

    I'll also mention that it's impossible to predict grade boundaries at this stage and some schools will have made better predictions that others. You may have actually got higher than a 'U'.
    Thanks alot!
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    (Original post by notnek)
    If you really push yourself then you can do it but it's probably going to mean doing extra work in addition to school work.

    Firstly I recommend you buy some revision guides and practice papers. CGP are good and there are Edexcel practice papers that you can buy.

    Then I recommend you print the syllabus and highlight all the areas that you are weak at. For these areas, try youtube for videos on these topics and keep watching them until you understand. Then Google "GCSE questions by topic" and you'll find different websites where you can practice questions on the topic you're stuggling with.

    Also, if you need general help with topic or specific questions then there are many people on this forum who would be really happy to assist and help you reach your target grade. You can either post questions in this thread or start your own threads.

    I'll also mention that it's impossible to predict grade boundaries at this stage and some schools will have made better predictions that others. You may have actually got higher than a 'U'.
    My teacher said the grade boundary has already been set for this year and any changes would only apply to the year 10s im confused now :P
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    Can someone tell me how to work this out in order to plot it on a graph: 3y=2x+6
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    (Original post by Zonyali123)
    Can someone tell me how to work this out in order to plot it on a graph: 3y=2x+6
    Divide both sides by 3. You will then be able to plot it like any other line (using a table etc.)
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    (Original post by Misaki24)
    My teacher said the grade boundary has already been set for this year and any changes would only apply to the year 10s im confused now :P
    Do you mean for your mocks or for the real thing?

    For the real thing, the grade boundaries are only set once marks are collated nationwide. They will be set according to percentages of students who achieve a certain mark. So harder exams mean lower grade boundaries and vice-versa.
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    (Original post by Misaki24)
    My teacher said the grade boundary has already been set for this year and any changes would only apply to the year 10s im confused now :P
    If they're talking about the 2017 exams, they are wrong.

    Grade boundaries are decided once all papers have been marked.
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    (Original post by notnek)
    Do you mean for your mocks or for the real thing?

    For the real thing, the grade boundaries are only set once marks are collated nationwide. They will be set according to percentages of students who achieve a certain mark. So harder exams mean lower grade boundaries and vice-versa.
    Okay thank u
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    (Original post by _gcx)
    If they're talking about the 2017 exams, they are wrong.

    Grade boundaries are decided once all papers have been marked.
    thank you
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    (Original post by notnek)
    x.
    Would this work for other examples??

    I imagined that there were 100 bottles made in 5 days, so 20 bottles a day, by 8 machines.
    This means that each machine makes 2.5 bottles per day. 2.5 multiplied by 4= 10
    10 multiplied by 2( for the 2 days) is 20.
    So 100-20 is 80, there are 80 drinks left to be made by 8 machines in x days. You find that 8 drinks make 20 bottles in a day, so they must make 80 bottles in 4 days.
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    (Original post by notnek)
    There are different ways to do it but this is the quickest:

    For 2 days, only 4 machines are used to make the bottles.

    This is equivalent to saying:

    For 1 day, 8 machines are used to make the bottles.

    So if it takes 5 days for 8 machines to make the bottles then there must be 4 days left.

    2 + 4 = 6.
    Sorry why is there 4 days left
 
 
 
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