Write the ratio 35:45 35 : 45\,35:45 in its simplest form.
There are black cars and silver cars in a car park, 58\displaystyle \frac{5}{8}85 of the cars are black.
Write the ratio of black cars to silver cars.
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.