Edexcel GCSE Mathematics A Higher Paper 2016 Unofficial Markscheme

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    (Original post by ppetraityte)
    What did everyone get for the trolley question?
    3 bars????? Idk tho
    Was it the one where you had to use the density calculation?

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    i said 10 because it was 10.8 and you cant have 10.8 people, but 11 is still correct
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    (Original post by mxskaan)
    3 bars????? Idk tho
    Was it the one where you had to use the density calculation?

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    Yes, most of my friends put 3 as their answer.
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    (Original post by Azzam240)
    i said 10 because it was 10.8 and you cant have 10.8 people, but 11 is still correct
    you should round up
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    (Original post by ppetraityte)
    What did everyone get for the trolley question?
    I got it can hold 3 metal bars
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    (Original post by Paris.s)
    Yes, most of my friends put 3 as their answer.
    What about the petrol gallon one?

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    (Original post by Lily223)
    What did everyone get for the 1st question where it asked the probablity?
    9/20
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    how did you work it out? did u do divide the numbers?
    (Original post by Paris.s)
    The bag with 18 crisps
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    (Original post by mxskaan)
    What about the petrol gallon one?

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    I got 52.20 pounds or something near that
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    (Original post by Lily223)
    how did you work it out? did u do divide the numbers?
    is 18 the smallest bag, if so thats what I got
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    (Original post by Azzam240)
    I got 52.20 pounds or something near that
    Looool all my friends got different answers bc I got £42.28 or something

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    (Original post by SweetStarlight14)
    For the third to last question - I got -3x-4 as (3-x)(-3x-4) expands to make the expression on the bottom of the fraction, and the (3-x) cancels out, leaving -3x-4.
    I got that too but apparently it's 1/-3x-4 because when you cancel out the top it doesn't become 0, it becomes one (since anything divided by itself is 1)
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    (Original post by mxskaan)
    looool all my friends got different answers bc i got £42.28 or something

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    i got £42.28!!!!!
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    (Original post by mxskaan)
    Looool all my friends got different answers bc I got £42.28 or something

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    That's what I put £42.24/3
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    (Original post by Alex.trin)
    i got £42.28!!!!!
    are you sure you calculated the return journey from work each day too??
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    (Original post by Alex.trin)
    i got £42.28!!!!!
    Yeah I got £42 something


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    I put 10.8 = 11
    QUOTE=Paris.s;65593213]I'm not too sure I put 11 . What did you put ?[/QUOTE]
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    (Original post by Lily223)
    how did you work it out? did u do divide the numbers?
    I divided the price by the number of crisps, and then rounded each number to 2.d.p
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    I got £42.27, or something really close to that, because he needs £17.50 for parking for 5 days and I think he uses £24.77 worth of petrol in total and you add those two together to get the final cost.
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    i got £42 something for car one
 
 
 
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