### 7.1 Linear Patterns

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• Math Help

In Example 4, be sure you understand that the table shows the distance (in miles) the Canada Geese have traveled since February 10th. So, on April 30th, the Canada Geese have traveled 1200 miles since February 10th.

• Consumer Suggestion

Did you know that salmon also migrate? They eventually migrate to the location of their birth and can live in both freshwater and seawater. To learn more about these interesting fish, visit Environmental Graffiti.

• Checkpoint Solution

Use the Chapter 1 (page 6) formula, where t is time, d is distance and r is rate.

It takes the gray whale 1500 hours, or about 2 months to journey from Baja California, Mexico, to the Bering Sea.

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```   _____    ______    _  __     ___     ______
/ ___//  /_   _//  | |/ //   / _ \\  |      \\
\___ \\   -| ||-   | ' //   / //\ \\ |  --  //
/    //   _| ||_   | . \\  |  ___  |||  --  \\
/____//   /_____//  |_|\_\\ |_||  |_|||______//
`-----`    `-----`   `-` --` `-`   `-` `------`

```