### 7.1 Linear Patterns

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• Math Help

Another way of analyzing the statement in Example 6 is to calculate the proportion

for the various ages in the chart.

The ratios are not the same. So, the total height is not a constant multiple of the skull height.

• Consumer Suggestion

Did you know a newborn baby has over 300 bones, but the average adult has 206?

For strong healthy bones, make sure to get enough calcium and vitamin D in your diet. To learn more about strong bones, visit the National Institute of Health.

• Checkpoint Solution

The length of the lizard's head appears to be about an eighth of the length of its body. So the ratio of skull length to total length is approximately .

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