I believe the correct answer is greater than
22 because 6 inches on top and bottom means you need 12 inchesw each drape and you have 4 drapes so 48 inches therefor rounding that you get 1 yard each added onto the 8 feet and 5 feet for each drape.
Http://www.pierce.ctc.edu/staff/dlippman/mathinsociety/Finance1.0.pdf I think this will help
25.5% is your answer i believe
FC is median..
Median is a line from a vertex that equally divides the opposite side...
here FC divides DB therefore it is a median.....
HOPE IT HELPS YOU '_'
