SOLUTION: Laura plans to paint the 8-foot high rectangular walls of her room,and before she buys paint she needs to know the area of the wall surface to be painted.Two walls are 10 feet wide

Question 1084513: Laura plans to paint the 8-foot high rectangular walls of her room,and before she buys paint she needs to know the area of the wall surface to be painted.Two walls are 10 feet wide,and the other two walls are 15 feet.The combined area of the 1 window and 1 door is 60 square feet.What is the area,in square feet,of the wall surface that Laura plans to paint?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Hi there,
Total surface area without removing window + door area.
2(8ft x 10ft) = 160ft^2
2(8ft x 15ft) = 240ft^2
Add together
= 400 ft^2
Remove combined area of window and door
400 - 60 = 340 ft^2
Hope this helps :-)
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