Respuesta :

Answer:

  • $5

Step-by-step explanation:

Full surface area of the rectangular prism is:

  • S = 2(ab + bc + ac)
  • S = 2(6*5 + 6*4 + 5*4) = 148 ft²

Cost of the wallpaper:

  • $740 / 148 ft² = $5 per ft²