Mock Paper 14 Aug 2025 23:39

\[ \begin{array}{l} \text{A garden design includes a rectangle with a triangular section on top.} \\ \text{The base of the triangle is centred on the rectangle, with 5 cm gaps on each side.} \\ \text{The triangle's height is 8 cm and the rectangle's length is 16 cm.} \\ \text{The area of the rectangle is 3 times the area of the triangle.} \\ \text{The width of the rectangle is } w \text{ cm. Work out the value of } w \text{, showing all your working.} \end{array} \]