In a bag there are only red sweets and yellow sweets. 35\displaystyle \frac{3}{5}53 of the sweets are red.
Write down the ratio of red sweets to yellow sweets?
There are 40 sweets in the bag.
Hence work out the number of yellow sweets.
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.