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One gallon of paint covers 400 square feet. What is the least amount of paint needed to paint the walls of a room in the shape of a rectangular prism with a length of 20 feet, a width of 16 feet, and a height of 10 feet? Write your answer as a decimal.

 Feb 20, 2021

Best Answer 

 #1
avatar+31281 
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TOTAL AREA TO BE PAINTED

     2 x 10 x 20  +   2 x10x 16 = 720 ft2

 

720 ft2 / 400 ft2 /gal = 1.8 gal       you will need to purchase 2 gallons

 Feb 20, 2021
 #1
avatar+31281 
+2
Best Answer

TOTAL AREA TO BE PAINTED

     2 x 10 x 20  +   2 x10x 16 = 720 ft2

 

720 ft2 / 400 ft2 /gal = 1.8 gal       you will need to purchase 2 gallons

ElectricPavlov Feb 20, 2021

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