p=4qrp = 4qrp=4qr
q=−6q = -6q=−6 r=−3r = -3r=−3
Work out the value of ppp.
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.