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Speed/Distance/Time

  • 18-01-2011 11:03pm
    #1
    Bunny Buster
    Registered Users, Registered Users 2 Posts: 108 ✭✭


    A quickie here for all the mathematicians out there....

    If a car was travelling from point A to point B which is 21.1 miles and the journey was completed in 23 minutes, what would the average speed of the journey have been?


Comments

  • #2
    exaisle
    Registered Users, Registered Users 2 Posts: 2,675 ✭✭✭exaisle


    Bunny Buster wrote: »
    A quickie here for all the mathematicians out there....

    If a car was travelling from point A to point B which is 21.1 miles and the journey was completed in 23 minutes, what would the average speed of the journey have been?

    21.1 miles in 23 minutes is the same as 21.1/23 miles per minute and 21.1 \ 23 x 60 miles per hour which works out at 55.04 miles per hour.


  • #3
    LeixlipRed
    Closed Accounts Posts: 6,081 ✭✭✭LeixlipRed


    Exactly. What you want to do is find out what distance you travelled in one minute first so you divide the total distance travelled (21.1 miles) by the number of minutes (23). Then to find out the average speed in miles per hour you scale up by a factor of 60.


  • #4
    bnt
    Registered Users, Registered Users 2 Posts: 13,077 ✭✭✭✭bnt


    147,956.87 Furlongs per Fortnight

    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



  • #5
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,600 Mod ✭✭✭✭Capt'n Midnight


    bnt wrote: »
    147,956.87 Furlongs per Fortnight
    How many firkins of petroleum distilate would that journey require ?


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