A factory packs light bulbs into small boxes and large boxes. There are 6 light bulbs in a small box. There are 15 light bulbs in a large box. The factory has x x\,x small boxes and y y\,y large boxes of light bulbs.
Write an expression for the total number of boxes of light bulbs the factory has.
Write an expression for the total number of light bulbs the factory has.
Practise OCR GCSE Maths Writing an Expression with exam-style questions for Foundation and Higher tier. 64 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.