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A rectangular window 5 feet by 2 feet is on a rectangular wall 9 feet by 18 feet. The rest of the wall needs to be painted. Approximately how many square feet of the wall needs to be painted?

Help, please :)

Respuesta :

igoroleshko156

Step-by-step explanation:

Step 1:  Find the area of the window

[tex]Area = l * w[/tex]

[tex]Area = 5 * 2[/tex]

[tex]Area = 10 ft^2[/tex]

Step 2:  Find the area of the wall

[tex]Area = l* w[/tex]

[tex]Area = 9 * 18[/tex]

[tex]Area = 162 ft^2[/tex]

Step 3:  Find the difference

[tex]Area \ of \ Wall - Area\ of\ Window[/tex]

[tex]162 - 10[/tex]

[tex]152 ft^2\ need \ to\ be\ painted[/tex]

Answer:  [tex]152 \ square\ feet[/tex]

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