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This question is racking my brains!

Discussion in 'General Discussion' started by Mulder, 3 Feb 2006.

  1. Mulder

    Mobster

    Joined: 10 Oct 2004

    Posts: 3,856

    Location: London

    I think it's simple but I just can't seem to do it!

    If six teenagers can gobble up 12 pizzas in an hour, how many
    teenagers will it take to eat 6 pizzas in an hour and a half?

    Any ideas?

    I'm getting 1 and a half teenagers, thus I'd guess it's 2.


    EDIT -> Yes the answer is 2. It was a moment of pure stupidity on my part, I tried to work it out using formulae that were not required, lol.
     
    Last edited: 3 Feb 2006
  2. Jambo

    Soldato

    Joined: 4 Aug 2004

    Posts: 5,197

    I'm going for 2.

    ???
     
  3. delta555

    Wise Guy

    Joined: 18 Sep 2003

    Posts: 1,703

    Location: London

    2 teenagers.

    pretty simple stuff.

    12 pizzas in 1 hour, so 6 pizzas in 1.5 hours is the equivalent of 4 pizzas per hour, which is 3 times less than 12 pizzas, so you divide 6 by 3 to get 2 teengers
     
  4. Mulder

    Mobster

    Joined: 10 Oct 2004

    Posts: 3,856

    Location: London

    I did this...

    6 eat 12 in an hour

    so 3 can eat 6 in an hour

    they've got 50% more time so half again = 1.5

    That right?
     
  5. delta555

    Wise Guy

    Joined: 18 Sep 2003

    Posts: 1,703

    Location: London

    they dont have double the time, so you dont do the final divide by 2, you would multiply by 2/3
     
  6. Jambo

    Soldato

    Joined: 4 Aug 2004

    Posts: 5,197

    I did 1 teenager can eat 2 pizzas in an hour.

    So in an hour and a half 1 teenager can eat 3.

    6 pizzas in an hour and half - 2 teenagers.
     
  7. benjo plz.

    Capodecina

    Joined: 15 Jan 2004

    Posts: 14,208

    Location: Hall

    2.
     
    Last edited: 3 Feb 2006
  8. kaiowas

    Capodecina

    Joined: 18 Oct 2002

    Posts: 10,212

    Location: Castle Anthrax

    6 eat 12 in an hour
    so 1 would eat 2 in an hour
    ie it takes 1/2 hour for each person to eat a pizza
    in an hour and a half each person can eat 3 pizzas
    hence it will take 2 people to eat 6 in an hour and a half
     
  9. basmic

    PermaBanned

    Joined: 10 Apr 2004

    Posts: 13,144

    Location: Darlington, County Durham

    Ok, six teenagers can eat twelve pizzas in an hour. So that's two pizzas per teenages, per hour.

    Give one teenager an hour and a half, and they'll eat three pizzas.

    We want enough teenagers to eat six pizzas in an hour and a half - so you'll need two.
     
  10. Mulder

    Mobster

    Joined: 10 Oct 2004

    Posts: 3,856

    Location: London

    I divided by 2 because they have 50% more time. I'm pretty sure that's right.
     
  11. fatiain

    Sgarrista

    Joined: 16 Oct 2004

    Posts: 7,643

    Location: Pratislava, Berk-shire

    Anyone got some spare pizzas and spare teenagers? Lets try it.
     
  12. Mulder

    Mobster

    Joined: 10 Oct 2004

    Posts: 3,856

    Location: London

    Please forgive my stupidity, it's friday. The answer is 2.
     
  13. Raikiri

    Capodecina

    Joined: 5 Jul 2005

    Posts: 17,323

    Location: Brighton

    It is 2

    12 in one hour = 5 min per pizza

    6 in 90 mins = 15 minutes

    It takes 3x as long, therefore there are 1/3 of the amount of teenagers
     
  14. NokkonWud

    Caporegime

    Joined: 1 Oct 2004

    Posts: 26,314

    Location: Redcar

    I worked it at 2 people.
     
  15. Wryel

    Wise Guy

    Joined: 26 Mar 2005

    Posts: 1,663

    Hmmm, don't think I could eat 6 teenagers in an hour and a half.
     
  16. The_blue

    Mobster

    Joined: 25 Oct 2002

    Posts: 4,186

    Location: Derbyshire

    12pizza /6kids = 2 pizza per hour each kid

    6 pizzas is 3 hours work for 1 kid

    3 hours / 1.5 hours = 2 spotty kids
     
  17. Retsef

    Gangster

    Joined: 3 Jan 2006

    Posts: 151

    Location: Tonbridge, Kent

    Does this not depend on external influences factors such as :

    size of pizzas
    nationality of teenager
    sex of teenager
    type of toppings
    thin crust / deep pan?
    Stuffed crust?
    distance of pizza shop from pizza eating venue
    size of moped engine of pizza delivery boy

    Then again, it's probably 2.
     
  18. FeFiDoh

    Sgarrista

    Joined: 17 Aug 2005

    Posts: 7,584

    Location: Swindon

    now the tricky part....

    how many peices does the mere cat get??
     
  19. the_brainaic

    Hitman

    Joined: 18 Jun 2005

    Posts: 735

    Location: Canterbury, UK

    Probably matters more on the ethnicity of the teenagers, not the nationality. And Religion. Jews/Muslims can't have salami pizza, more for me :)
     
  20. Skiddley

    Mobster

    Joined: 1 Aug 2003

    Posts: 3,761

    2. *yawns*