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30 July, 21:51

100 fluid ounces of Laundry detergent sells for $12.99. What is the cost per fluid ounce rounded to cents?

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Answers (2)
  1. 30 July, 22:16
    0
    The cost per fluid ounce is ≈$0.13

    Step-by-step explanation:

    We can use proportion to solve this;

    Let x be the unit cost per fluid

    100 fluid ounce = $12.99

    1 fluid once = x

    Cross multiply

    100x = $12.99

    Divide both-side of the equation by 100

    100x/100 = $12.99/100

    (On the left-hand side of the equation, 100 at the numerator will cancel-out 100 at the denominator leaving us with just x while on the right-hand side of the equation $12.99 will be divided by 100)

    x = $0.1299

    x≈$0.13

    Therefore the cost per fluid ounce is ≈$0.13
  2. 31 July, 00:10
    0
    100 : 12.99

    100 = 7.698 = $7.70

    12.99

    PER FLUID OUNCE: $7.70
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