Think back to middle school algebra, like 2 a + b. Those letters are parameters: Assign them values and you get a result. In ...

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What’s more, doing maths is often a collaborative endeavour – and can be a great source of fun and fulfilment when people work together on problems. Which brings me to these festive-themed puzzles, ...

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Solution: Here is a solution in 11 steps (see table below), recording the quantities of mulled wine in each barrel and bottle ...

Over a career that stretched nearly seven decades, Brian Keith appeared in more than 60 feature films and headlined multiple ...

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