Lucy is three times as old as Alex. Lucy is 13 years older than Megan. The sum of their ages is 190.
Find the ratio of Alex's age to Lucy's age to Megan's age. Give your answer in its simplest form.
139 exam-style questions on AQA GCSE Maths Forming and Solving Equations. Each one has a worked solution and a mark scheme showing where the marks go.