# What is the percent of increase from 270cm³ to 750cm³?

##### 1 Answer

Jun 4, 2016

#### Explanation:

Method

The bar over the last 7 means it goes on repeating for ever.

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There is a trick you can use to deal with repeating decimals

You convert them to fractions. Sometimes you need to multiply by a different value:

Let

The

So

So