(a)[2]
Calculate the number of non-fiction books the library has.
(b)[2]
Calculate how many crime DVDs the library has.
(c(i))[2]
Calculate the average speed of the journey in kilometres per hour.
(c(ii))[5]
Calculate how much the journey time increases by, as a percentage.
(d)[3]
Calculate the gap between these prices. Give your answer in dollars, correct to the nearest cent.
(e)[3]
Calculate how many books were borrowed in 2015.