Respuesta :

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Information given :
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She wants to earn more than $700.
She is paid $500 plus 5% sales.

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Define x :
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Let the amount of sales bee x:

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Construct equation :
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500 + 0.05x ≥ 700

0.05x ≥ 200                 // take away 500 from both sides

x ≥ 4000                      // Divide by 0.05 on both sides

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Answer: She must make at least $4000 in sales.
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