SOLUTION: Could you explain this to me?: How many liters of paint are needed to paint the walls of a rectangular prism-shaped room that is 6m x 4m x 2.5m if 1 L of paint covers 20 m2? (a

Question 33578: Could you explain this to me?:
How many liters of paint are needed to paint the walls of a rectangular prism-shaped room that is 6m x 4m x 2.5m if 1 L of paint covers 20 m2? (assume there are no doors or windows)
Thanks!
Answer by Cintchr(481) (Show Source): You can put this solution on YOUR website!
With a room of the l, w, and h of 6m, 4m, 2.5m you have four walls
Two walls are 6 x 4
Two walls are 6 x 2.5
First find the total area

Now, knowing that l Ltr of paint covers 20 sq metres .... divide

But since you cant buy .9 of a can of paint, you will need to buy 4 FULL cans.
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