A jar contains blue beads and red beads in the ratio 11:4 11 : 4\,11:4 There are 28 more blue beads than red beads.
Work out the number of red beads in the jar.
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.