Anwar went shopping to buy a book and some CDs.
He had exactly £60 with him.
In one shop, he bought a book costing £15 and some CDs.
Each CD cost £7.
When he paid for these items, he was given some change.
Anwar bought / CDs.
Write down an inequality which is satisfied by 1.
What is the greatest possible number of CDs Anwar could have bought?