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Annoying problem

  • 11-03-2014 8:06pm
    #1
    Swaine55
    Registered Users, Registered Users 2 Posts: 98 ✭✭


    Hello elo Hello,

    For some reason this is stuck in my head and annoying me.

    A journey takes 1hr 20mins @ 120kmh, how long does it take @ 160kmh?

    I originally thought 53.33, but now im thinking maybe 60min?

    Thanks


Comments

  • #2
    Jacovs
    Registered Users, Registered Users 2 Posts: 1,943 ✭✭✭Jacovs


    60 minutes.


  • #3
    bnt
    Registered Users, Registered Users 2 Posts: 13,077 ✭✭✭✭bnt


    1h20 = 1⅓ hours
    x 120 km/h = 160 km.
    So ...

    You are the type of what the age is searching for, and what it is afraid it has found. I am so glad that you have never done anything, never carved a statue, or painted a picture, or produced anything outside of yourself! Life has been your art. You have set yourself to music. Your days are your sonnets.

    ―Oscar Wilde predicting Social Media, in The Picture of Dorian Gray



  • #4
    sReq | uTeK
    Registered Users, Registered Users 2 Posts: 6,022 ✭✭✭sReq | uTeK


    Swaine55 wrote: »
    Hello elo Hello,

    For some reason this is stuck in my head and annoying me.

    A journey takes 1hr 20mins @ 120kmh, how long does it take @ 160kmh?

    I originally thought 53.33, but now im thinking maybe 60min?

    Thanks

    SORRY, read it wrong.

    So wife and I worked it out, yes were are sad, if it takes a journey 1 hour 20 minutes at 120kmh then you've travelled 144kms.

    So,

    144 / 160 * 60 = 54mins


  • #5
    GTE
    Registered Users, Registered Users 2 Posts: 3,915 ✭✭✭GTE


    sReq | uTeK wrote: »
    Is that not wrong, travelling 120kmh for an hour would take an hour, no?

    How can it take 1 hour 20 minutes at 120 km?

    They are saying that they are travelling for 1 and 20 mins at that speed, not that they took that amount of time to travel 120km of distance.

    I had to double take at it myself too. :P


  • #6
    sReq | uTeK
    Registered Users, Registered Users 2 Posts: 6,022 ✭✭✭sReq | uTeK


    bbk wrote: »
    They are saying that they are travelling for 1 and 20 mins at that speed, not that they took that amount of time to travel 120km of distance.

    I had to double take at it myself too. :P

    Yup , read it wrong updated with correct formula


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  • #7
    Ciaran
    Registered Users, Registered Users 2 Posts: 939 ✭✭✭Ciaran


    sReq | uTeK wrote: »
    if it takes a journey 1 hour 20 minutes at 120kmh then you've travelled 144kms.
    160km. 1 hour 20 minutes is and hour and a third, not 1.2 hours.


  • #8
    Swaine55
    Registered Users, Registered Users 2 Posts: 98 ✭✭Swaine55


    80mins @120 hm/hr OR (4/3)x120= 160km travelled

    160km @ 160km/hr is therefore 1Hr


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