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The easiest way is probably to write a table with all of the X and Y values. Write out all of the x values and substitute them into the formula to see what value of Y you need to get the value of 3.X Y-3 6-2...

Oxbridge interviews are not meant to catch you out or test your knowledge, but simulate a tutorial/supervision environment to see how you react to it and to see how you think about tricky questions. It is im...

Let's call the numbers we are looking for a and b. From the question: a-b = 50 and b is 50% of a, which means that b = (50/100) a=0.5 a. Substituting this form of b in the first equation, we obtain: a-0.5 a=...

This can be quite daunting and hard as it feels like a big task, especially if you are going to be writing 5,000 words on it!! When I did mine, I found it helpful to write down a list (or do a mind map) of d...

To critically evaluate a study at A-level, I recommend following the ‘GRAVE’ method: G eneralisability - how generalisable is the sample to the wider population? Is the sample size large or small? Does it on...