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29 October, 20:48

When Josiah opens and lays a cereal box out flat, he sees that the top and the bottom of the box both measure 2 inches by 8 inches, the sides of the box both measure 2 inches by 11 inches, and the front and back of the box both measure 8 inches by 11 inches. What is the surface area of Josiah's cereal box?

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  1. 29 October, 21:13
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    252 square inches is the surface area of Josiah's cereal box.

    Step-by-step explanation:

    1. Let's review the information given to us to answer the question correctly:

    Height of the box = 11 inches

    Length of the box = 8 inches

    Width of the box = 2 inches

    2. What is the surface area of Josiah's cereal box?

    Let's recall the surface area of a rectangular prism:

    Surface area = 2 (width * length + height * width + length * height)

    Surface area = 2 (2 * 8 + 11 * 2 + 8 * 11)

    Surface area = 2 (16 + 22 + 88)

    Surface area = 2 * 126

    Surface area = 252 inches²
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