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The easiest way to work out a percentage of something, is to convert the percentage into a decimal.

20% can also be written as 0.2 as a decimal.

You can then multiply 4800 by 0.2. This works with any number as well.

When the percentage is more difficult and you do not have a calculator, you can work out 10%, and then multiply that answer by 2 (to get 20%)

Hope this helped :D

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14y ago

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