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I have to paint one side of a wall.  The wall is 12 meters tall and 120 meters long.  Each gallon of paint covers 150 square feet. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons I can buy and have enough paint to cover the whole wall?

 Jun 4, 2023
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12 / 0.3048 ==39.37 feet - height of the wall

120 / 0.3048 ==393.7 feet -length of the wall

 

39.37  x  393.7 ==15,499.969 square feet - area of the wall to be painted.

15,500 / 150 ==103+1/3 ==104 gallons of paint you need to buy.

 Jun 4, 2023

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