Silver Stirrup Horse Rescue is going to paint the front of the big red barn. The triangular top portion of the barn is 20 feet across and 8 feet tall. The rectangular bottom portion is also 20 feet across, buts it’s 13 1/2 feet tall. The rescue will use extra-double gallons of paint that cover over 100 sq ft each.
How many gallons of paint does the rescue need to cover the entire front of the barn?
Write your answer as A Whole Number, Proper fraction or Mixed Number