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How do you add 8 percent to a number?

Updated: 4/28/2022
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13y ago

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Percent is a relative expression, meaning it has to be 8 percent of something. If you wanted to add 8 percent of a number to itself, e.g. something is $49.99 and you want to know how much 8 percent tax will bring your total to, you multiply the number by .08 (which is how 8 percent is represented as a decimal) and then add the result to the original number.

So:

49.99 X .08 =3.99

so after tax you would pay roughly $53.99 hope this helps!

If you have a calculator handy, then to add 8 percent to a quantity, say £675, just multiply the £675 by 1.08 and you will have the answer. This works because the original amount is 100% of itself, and adding on the extra 8% creates 108%, which means 108 hundredths, which as a decimal is 1.08

Similarly to find the amount when 17.5% is added, just multiply the original amount by 1.175

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13y ago
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Q: How do you add 8 percent to a number?
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