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The total number of 'parts' in this ratio is 5+3+2 = 10.

So, to work out how much of the total corresponds to 1 part, we need to divide the t...

  I have choose a quadratic equation as a common question . This is for both GCSE & A-level student. (2x)^2-x-1=0
To solve this equation we have four methods:- Factoring Completing square Quadrat...

Good descriptive writing allows the reader to feel the story as you do. This may seem a daunting task at first, but taking a scene piece by piece can help you organise your thoughts. The more you understa...

The best way to tackle this sort of worded problem is to create a solvable equation. Lets call the bill before the voucher was used, X. So, the price after the voucher was applied is: = X...

Una manera en la cual se puede llevar una vida sana es con su dieta. Por ejemplo, consumir el nivel correcto de minerales previene problemas saludables.