cindylilyso2007 cindylilyso2007 23-08-2020 Mathematics contestada 7 Car A uses petrol at the rate of 4.8L/100 km, whereas car B uses it at a rate of 10L/100 km. What will the difference in petrol costs be in a year in which both cars travel 30000 km, if the petrol costs on average $1.45/L?