A child's ticket to see a show costs £x\text{£}x£x An adult's ticket costs £5\text{£}5£5 more than a child's ticket.
Write an expression for the price, in pounds, of an adults ticket.
Write an expression for the cost of one adult's ticket and two child's tickets.
Hence, find the cost, in pounds, of one adult's ticket and two child's tickets when a child's ticket costs £7\text{£}7£7.
267 exam-style questions on OCR GCSE Maths Writing an Expression. Each one has a worked solution and a mark scheme showing where the marks go.