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15 January, 08:58

Kelsey has to pay $200 to rent a booth at the craft fair. The materials for each pendant cost $7.80, and she plans to sell each pendant for $13.50. To make a profit, she must make more money than she spends. Kelsey has already made 10 pendants.

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Answers (2)
  1. 15 January, 09:39
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    kelsey will pay 221.3 and she has made 135 if thats what your looking for sorry if i miss understood it
  2. 15 January, 12:52
    0
    Step-by-step explanation:

    Let's calculate how much she will spend:

    She has to pay $200 for the rent.

    She made 10 pendants that costed $7.80 each, that's a total of 10*$7.80 = $78.

    Therefore, she will spend $200 + $78 = $278.

    Let's define x as the amount of pendants she makes.

    To make a profit, the amount of pendants she makes, multiplied by $13.50 that is the price, has to be greater than $280 added to the amount of pendants she makes, multiplied by $7.80 that is the cost.

    We write that as

    13.50x > 280 + 7.80x

    Let's subtract 7.80x on both sides:

    13.50x - 7.80x > 280 + 7.80x - 7.80x

    5.70x > 280

    Now we divide by 5.70 on both sides:

    5.70x/5.70 > 280/5.70

    x > 49.1

    To make profit, she needs to make and sell more than 49 pendants.
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