Floor tiles are sold in Type A crates and Type B crates. There are 24 tiles in a Type A crate. There are 80 tiles in a Type B crate. An architect orders n n\,n Type A crates and m m\,m Type B crates.
Write an expression for the total number of floor tiles the architect orders.
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.