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Sadie earned $21.25 more than in week .

Sagot :

Her earnings vary directly with her number of hours worked

How to determine the variation?

The hourly rate is given as:

Rate = $21.25 per hour

This means that:

She earns $21.25 each hour

This in other words means that, her earning increases as the number of hours increase.

The above is an illustration of a direct variation.

Hence, her earnings vary directly with her number of hours worked

Read more about direct variation at:

https://brainly.com/question/6499629

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Complete question

Sadie earns $21.25 per hour. Do her earnings vary inversely or directly with her number of hours worked?