a)
French = .11 * 5000 = $550
History = .21 * 5000 = $1050
Reference = .15 * 5000 = $750
Science = .15 * 5000 = $750
Biography = .11 * 5000 = $550
Geography = .09 * 5000 = $450
Fiction = .18 * 5000 = $900
b) Check : add all the numbers in red.....they should total $5000