Lucy is three times as old as Alex. Lucy is 7 years older than Megan. The sum of their ages is 126.
Find the ratio of Alex's age to Lucy's age to Megan's age. Hence, find the sum of Alex's age and 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.