In a bag there are blue sweets, red sweets and yellow sweets.
The number of red sweets is k k\,k times the number of blue sweets, where k k\,k is a positive whole number.
The number of yellow sweets is half the number of red sweets.
Write down the ratio of blue sweets to red sweets to yellow sweets.
Give your answer in the form a:b:c a : b : c\,a:b:c where aaa, b b\,b and c c\,c are whole numbers, in terms of kkk
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.