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23 July, 23:08

Sarah works as a waiter. She earns $80 each weekend plus 15% in tips. This weekend, Sarah earned $252.50 in all. What is the dollar amount of the meals that Sarah served?

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  1. 23 July, 23:23
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    The dollar amount of the meals Sarah served was $1150.

    Step-by-step explanation:

    Set up an equation expressing Sarah's total earnings:

    (total earned) = (base wage) + 0.15 * (price of meals served)

    Now the same using what we know:

    $252.50 = $80 + 0.15 * x

    where x is unknown and can be solved for:

    x = (252.50 - 80) / 0.15 = $1150

    The dollar amount of the meals Sarah served was $1150.
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