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31 March, 12:14

A salesperson earns $450 per week plus 15% of her weekly sales. The expression representing her earnings is 450 + 0.15x. Which of the following describes the sales necessary for the salesperson to earn at least $600 in one week?

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  1. 31 March, 13:28
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    Question says that "A salesperson earns $450 per week plus 15% of her weekly sales. "

    So the expression representing her earnings is given by 450 + 0.15x.

    Now we have to find the equation/inequality that describes the sales necessary for the salesperson to earn at least $600 in one week.

    at least $600 means 600 or more

    so that means earning (450+0.15x) is equal to 600 or more than 600

    so required inequality will be:

    450+0.15x≥600.

    Hence correct choice for the final answer will be choice which matches with 450+0.15x≥600.
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