Sarah buys 15 identical boxes of chocolates. Each box costs £y\text{£}y£y.
Write an expression for the total cost, in pounds, of the 15 boxes of chocolates.
Practise WJEC GCSE Maths Writing an Expression with exam-style questions for Foundation and Higher tier. 64 questions, matched to the WJEC GCSE Maths (3320QD) specification and written in Unit 1, Unit 2 and Unit 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.