A=Sn\displaystyle A = \frac{S}{n}A=nS
Work out the value of A A\,A when S=72S = 72S=72 and n=9n = 9n=9
Practise OCR GCSE Maths Substitution with exam-style questions for Foundation and Higher tier. 100 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.