A charity shop sells books at GBP 1.20 each and DVDs at GBP 2.75 each.
(a)Zara buys 3 books and 2 DVDs. Work out the total cost.(2)
(b)She pays with a GBP 20 note. How much change does she receive?(1)
(c)The shop then reduces all prices by 10% for a sale. Work out the new price of a DVD, giving your answer to the nearest penny.(3)