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Secondaire 3 • 4h
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Can someone help me pls

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I try this

Mathématiques
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  • Explication vérifiée par Alloprof

    Explication vérifiée par Alloprof

    Cette explication a été vérifiée par un membre de l’équipe d’Alloprof.

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    3h


    The x represents the number of hours worked.

    You have established the relationship between Money earned (y) and hours worked (x) for

    Travail 1: y = f1(x) = 16x - 20

    Travail 2: y = f2(x) = 18.5x - 85

    You can see that the slope is higher with f2 but you have to substract 85.

    So it really depends on how much hours you are planning to work. For a few hours f1 would bring you more money but for many hours f2 might be better.

    The best way to know is to find where the two equations intersect.

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