# Express $2.00 as a percentage of $8.00 ?

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Given:

We have:

Now, we convert

We got:

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#### Answer:

25%

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First let's think about a normal percentage as a ratio.

If I wanted to think about

"How does this help me?" you say

I'm very glad you asked

Let's think about

We could use an equation for this, so let's use an equation for this :D

We know that

Now we know that if we multiply the denominator by 12.5 we will get 100 and if we multiply the numerator by 12.5 we will get a ratio with 100 as the denominator, so our percentage must be the numerator!

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