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You need to find 10% of a number (divide the number by ten) and then all you have to do is halve it! For example; 400 divided by 10 = 40 (10%) then all you have to do is halve it to find 5% so 40 divided by 2= 20 so 5% of 400 is 20 :D

* Or, simply multiple the number by .05

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14y ago

What else can I help you with?