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In a class there are 57 students. Of these 32 study Spanish, 40 study German and 12 students study neither. How many students study Spanish but not German?

The best approach to this problem is using a Venn Diagram. The first step to solving this problem is calculating the number of students who study Spanish or German or both. In the question we are given the i...
CD
Answered by Calum D. • Maths tutor
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What is the difference between mitosis and meiosis?

Simply enough, Mitosis creates two cells that have the same number of chromosomes and identical chromosomes to the original cell and Meiosis creates 4 cells that have half the amount of chromosomes that are ...
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Answered by Benjamin F. • Biology tutor
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How should I answer the ethics question?

Most medical school MMIs or traditional interviews will have a question that tests your ability to reason, and to consider the ethical considerations of the scenario. This may be something like "you hav...
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„The Treaty of Versailles was a fair and reasonable peace”. To what extent do you agree with this statement?

Treaty of Versailles was issued in 1919, following German demand for armistice in 1918. It was designed by victorious Britain, France and the USA. Each of these powers had different view as to how the final ...
Answered by • History tutor
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What's the best way to work out any percentage of a given number, e.g. 63% of 450?

The best way to approach this is to begin by working out what 1% of 450 would be: 450 is 100% of 450 So to work out what 1% of 450 is: 450 ÷ 100 = 4.5 Now we know that 1% of 450 is 4.5To work out 63% of 450,...
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Answered by Isobel W. • Maths tutor
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