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Mark has a voucher that gives him 22% off the prices at a hardware store. Estimate how much he will pay for an electric drill that normally costs £87.99. (non-calculator) (3)

It is important to remember this is an estimate, so we can simplify the numbers by saying they get 20% off and the drill costs £90. (1) 10% off would be £9, so 20% off is £18. (1) They have 20% off so they p...
JF
Answered by Jake F. • Maths tutor
4594 Views

How does evolution occur by natural selection?

Over time many theories have been put forward by the scientific community about how the process of evolution occurs. However the most commonly accepted theory amongst scientists is that evolution occurs by t...
KW
Answered by Katy W. • Biology tutor
13635 Views

How should I structure an essay?

The first and most important thing that you should do before even beginning your essay is to take a moment to do a quick plan. This should briefly outline the main strcuture of your essay, the key points you...
KW
6246 Views

How should I structure my essay?

Your essay should consist of an introduction , three (or four) pragraphs of analysis , and a conclusion . In your introduction , you should present your thesis statement (what the essay is about/arguing) and...
JW
7591 Views

How do I expand out a pair of brackets?

Expanding something out like (x+2)(x+3) crops up everywhere in maths. Therefore it's a very important skill to develop.There are many different ways of looking at it - smily faces, rainbows, claws - to name ...
CW
Answered by Cordelia W. • Maths tutor
6908 Views