There are 300 animals on a farm.
Half of the animals are sheep.
The number of sheep is six times the number of cows.
The rest of the animals are pigs.
the number of pigs : the number of cows = n:1 n : 1\,n:1
Work out the value of nnn.
You must show how you get your answer.
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.