ABC ABC\,ABC is a straight line.

The length of BC BC\,BC is four times the length of ABABAB.
BC=100BC = 100BC=100 metres. Work out the length ACACAC.
Practise OCR GCSE Maths Ratio with exam-style questions for Foundation and Higher tier. 93 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.