Question

joe built a large wooden storage box. the box was in the shape of a rectangular prism, as shown below. he covered all the sides of the box with special wallpaper that cost a total of $522. how much did the wallpaper cost per square foot?

Explanation:

Step1: Calcular la superficie total del prisma rectangular

La fórmula para la superficie total \( S \) de un prisma rectangular es \( S = 2(lw+lh + wh) \), donde \( l = 9\) ft, \( w = 5\) ft y \( h = 3\) ft.

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Step2: Calcular el costo por pie cuadrado

El costo total es de \( \$522 \) y la superficie es de \( 174\) ft². El costo por pie cuadrado \( c \) se calcula como \( c=\frac{\text{costo total}}{\text{superficie}} \).

$$ c=\frac{522}{174}=3 $$

Answer:

\( 3 \)