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Percentages are a common way you can use maths in every day life. That's why, at GCSE level, there are a lot of questions that put the skills into the context of a real-life problem. Let's use an example,...

£180 / 120 = 3 / 2 = £1.50£1.50 x 100 = £150answer = £150

In algebra, like every topic that is covered in GCSE Maths, there is a set method that you should follow and this will always help you to solve the question. The complicated algebra questions are ones tha...

f and g can be any linear, quadratic or cubic equation in terms of x, with exponential functions, logarithmic functions and modulus functions etc. May also be given a specific domain given. Sketch first, ...

[Answer for a Further Maths A level student]: We could just apply the formula for summing an arithmetic series, but this won’t give a good understanding of why the answer we get is correct, which...