(a(i))[2]
Calculate the change she gets from $100.
(a(ii))[2]
Calculate how much less it costs to buy 20 litres of fuel from garage A than from garage B.
(a(iii))[3]
Calculate the average number of litres they buy.
(a(iv))[2]
Calculate the percentage increase.
(b)[3]
Calculate how many litres a full tank holds.
(c(i))[2]
Complete the conversion graph.
(c(ii))[1]
State the number of litres in 1 gallon.
(d)[3]
Calculate the tank's volume in litres.