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23 June, 01:33

Jennifer used 0.42 gallons of paint to completely cover a square wall with an area of 168 square feet. Which measurement is closest to the side length of this wall in feet?

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  1. 23 June, 01:53
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    The answer to this question is: 12.96 ft ≈ 13 ft

    Step-by-step explanation:

    Data

    Area 168 ft²

    Length = ?

    Volumen = 0.42 gallons

    But we do not need the volume of paint because we know that the wall is squared-shape.

    Only we need to know the formula to obtain the area of an square.

    Formula area = length²

    So 168 = length²

    Finally √168 = length

    length = 12.96 ≈ 13 ft
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