Bari has 180 Mardi Gras beads. 2/3 of the beads are green. 40% of the remaning beads are gold and the rest are purple. What fraction of the beads are gold? how many purple beads does she have?
(2/3) * 180 = 360/3 = 120 green
0.4 * 120 = 48 gold
180 - 168 = 12 purple