
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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January 3rd, 2017, 12:38 AM  #1 
Newbie Joined: Apr 2009 Posts: 10 Thanks: 0  Should I buy this car?
A car dealer told me that a car is estimated to consume around 30 to 40 EUR per week. Maybe this is geeky or maybe I am wrong, but I worked as follows and somehow think there is a mathematical miscalculation in the fuel prices, maybe someone needs to verify and write to the fuel stations if I am right, do you agree? Peugeot HDi engine consumes 9.3 liters per 100 km The road to work is 6.5 km to 6.9 km each way, i.e. 13.8 km excluding personal trips and inefficiencies such as being stuck in traffic. Fuel prices Petrol is 1.44 EURO per litre Diesel is 1.36 EURO per litre Enemalta plc  Fuel Price Revisions: May 2014 – December 2014 They have not been revised in a while. Therefore if I travel to work daily I would consume 6.42 litres × 1.36 EUR = 8.73 EUR, whereas by bus I get charged at 0.25 EUR [omissions and errors add to the cost of travel and punctuality is a problem openly complained about in industrial relations as a matter that is beyond one's control]. Is there a mistake in my calculation? I think the consumption is too low; maybe I have not yet estimated the servicing, which is around 100 EUR to 200 EUR every three months based on estimates of previous car servicing. Last edited by skipjack; January 3rd, 2017 at 01:48 AM. 
January 3rd, 2017, 07:40 AM  #2 
Senior Member Joined: May 2016 From: USA Posts: 1,030 Thanks: 420 
This is basically not a math problem at all. It all depends on what is being considered in the term "consumed." Tires wear out. Lubricants must be replaced. Eventually the car itself gives up the ghost. Over the life of the car, the initial cost to purchase the car, the cost of periodic maintenance, and the weekly cost of gasoline all must be considered. Which of those the dealer was talking about is unknown so the statement is virtually meaningless despite its apparent quantification. 
January 8th, 2017, 04:17 AM  #3 
Math Team Joined: Jan 2015 From: Alabama Posts: 3,171 Thanks: 869 
I thought you just put the Euro's directly into the gas tank!
