In a bag there are only blue sweets and green sweets. 56\displaystyle \frac{5}{6}65 of the sweets are green.
Verify that the ratio of blue sweets to green sweets is 1:51:51:5.
222 exam-style questions on OCR GCSE Maths Writing a Ratio as a Fraction or Linear Function. Each one has a worked solution and a mark scheme showing where the marks go.