In a bag there are blue sweets, red sweets and yellow sweets.
The number of red sweets is two and a half times the number of blue sweets.
The number of yellow sweets is three fifths of the number of red sweets.
Write down the ratio of blue sweets to red sweets to yellow sweets in the form a:b:c a : b : c\,a:b:c where aaa, b b\,b and c c\,c are whole numbers
249 exam-style questions on Eduqas GCSE Maths Writing and Simplifying Ratio. Each one has a worked solution and a mark scheme showing where the marks go.