Help me with my math please.

Question

If my car has a fuel usage of 5.5 (petrol) per 100km and I plan on traveling 10,000km per year and the fuel cost is $2 pee litre, how much will my fuel cost per year? Please show working. I need an answer reallyyy soon 

Answer 1

Ok. First, let's figure out how many litres you will use a year:

 

Your car uses 5.5 litres/100km and you are travelling 10,000 km/year:

5.5L/100 km x 10,000km/year  = 550 litres/year

Now we need to find the cost per year:

550 L x $2/L = $1100