A pack of batteries is available in two different sizes.
Pack of 12 for £9.60 £9.60\,£9.60
Pack of 20 for £15.00 £15.00\,£15.00
Work out which pack offers the best value for money.
You must show your working.
Practise OCR GCSE Maths Best Buy Questions with exam-style questions for Foundation and Higher tier. 24 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.