There are only fiction books and non-fiction books in a collection.
number of fiction books : number of non-fiction books = 3:5 3 : 5\,3:5
There are 45 fiction books in the collection.
Work out the total number of books in the collection.
Practise AQA GCSE Maths Ratio with exam-style questions for Foundation and Higher tier. 93 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.