Lucy is three times as old as Alex. Lucy is 7 years older than Megan. The sum of their ages is 126.
Let Alex's age be xxx. Write down expressions for Lucy's age and Megan's age.
Find the ratio of Alex's age to Lucy's age to Megan's age.
139 exam-style questions on Eduqas GCSE Maths Forming and Solving Equations. Each one has a worked solution and a mark scheme showing where the marks go.