Fitness programme
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This task is about algebraic expressions to describe patterns.
![illustration: woman doing exercise](/sites/default/files/images/Woman-exercise-PDF-PD-400.jpg)
Lia began a keep-fit exercise programme. In the first week, she exercised for 20 minutes daily.
Every week after that she added an extra 5 minutes of exercise time. In the second week she exercised for 25 minutes daily; for the third week for 30 minutes, and so on.