# #15. Question of the Week

John is 6 years old now. In 5 years’ time, John will be twice as old as Yenni. Find Yenni’s age last year.

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In this edition of Question of the Week, we have combined the concepts of age and algebra together. Algebra is one of the first new topics tested in Primary 6. Though it may look confusing with the incorporation of letters, it's actually simple once you grasp the concept of how algebra helps to find a missing variable.

As such, we would like to share how a typical algebra-based problem sum for Primary 6 that incorporates primary concepts will be set.

Have a go at solving this question! But if you're struggling, have a look below for the solution.

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