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    Oil Algebra 101 - by frog



    Here’s a maths problem for you. (i.e. I haven’t got time to work it our myself!)  If oil were to remain at yesterday’s record high of $104 per barrel and the New Zealand dollar were to return to its historical average of US60 cents what would the price of petrol be at your local service [...] read more
    March 6, 2008 9:30 am - 21 Comments