# Question #47bec

##### 2 Answers

#### Explanation:

If you use decimals you do not have a precise answer

#### Explanation:

Percent is just another fraction. The special thing about percent is that the bottom number (denominator) is fixed at 100.

The symbol % is like a unit of measurement but one where it is worth

So as an example: 20%

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Let the unknown value be

To 'get'

Multiply both sides by 100

but

So we have: