Question

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 :)

Answer 1

Step-by-step explanation:

Step 1:  Find the area of the window

$Area = l * w$

$Area = 5 * 2$

$Area = 10 ft^2$

Step 2:  Find the area of the wall

$Area = l* w$

$Area = 9 * 18$

$Area = 162 ft^2$

Step 3:  Find the difference

$Area \ of \ Wall - Area\ of\ Window$

$162 - 10$

$152 ft^2\ need \ to\ be\ painted$

Answer:  $152 \ square\ feet$