### 1.4 Units & Conversions

<
>
• Math Help

Be sure you understand the unit analysis rules on page 34. Here is an example.

Consider a rectangle that is 3 feet high and 4 feet wide.

• The perimeter of the rectangle is

• The area of the rectangle is

• Consumer Suggestion

Did you know that attorneys are some of the highest paid people in the United States? Have you ever wondered why attorneys charge their clients so much? Use a search engine to search for "why do attorneys charge so much?"

If you have a legal problem, follow these steps at Nolo.com to help find an excellent lawyer.

• Checkpoint Solution

Notice how writing the units helps keep track of the calculations.

See that "weeks" and "hours" cancel out and you are left with "dollars."

Although the result may seem unreasonable, you can check the history of some famous cases to see that litigation bills can run up to several million dollars.

These comments are not screened before publication. Constructive debate about the information on this page is welcome, but personal attacks are not. Please do not post comments that are commercial in nature or that violate copyright. Comments that we regard as obscene, defamatory, or intended to incite violence will be removed. If you find a comment offensive, you may flag it.

```__    __   _    _              __   __  __    __
\ \\ / // | || | ||     ___    \ \\/ // \ \\ / //
\ \/ //  | || | ||    /   ||   \ ` //   \ \/ //
\  //   | \\_/ ||   | [] ||    | ||     \  //
\//     \____//     \__ ||    |_||      \//
`       `---`       -|_||    `-`'       `
`-`
```