Could Someone Help With Answering The Following Questions? A,B & C?

On a trip, a motorist purchased gasoline according to the table shown to the right. Gasoline Purchases (a) What was the average number of litres per purchase? 50 litres at 52.0 cents per litre (b) What was the average cost per litre? 54 litres at 64.5 cents per litre (c) If the motorist averaged 9.43 kilometres per litre, what was the average cost of gasoline per kilometre? 0 litres at 53.5 cents per litre 18 litres at 58.5 cents per litre (a) The average number of litres per purchase was ] litres. (Type an integer or a decimal.) (b) The average cost per litre was cents (Type an integer or decimal rounded to one decimal place as needed.) (c) The average cost of gasoline per kilometre was ] cents. Type an integer or decimal rounded to one decimal place as needed.)