There are only blue counters, red counters and yellow counters in a bag.
Given that there are twice as many blue counters as yellow counters and there are three times as many red counters as blue counters, write down the ratio of blue counters to red counters to yellow counters.
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.