There are only blue beads, yellow beads and white beads in a jar.
There are five times as many blue beads as yellow beads.
There are four times as many white beads as blue beads.
Write down the ratio of blue beads to yellow beads to white beads.
64 exam-style questions on Edexcel GCSE Maths Writing and Simplifying Ratio. Each one has a worked solution and a mark scheme showing where the marks go.