Erma maintains an active blog about her seashell collection. She has 500 white shells, 325 yellow shells, 115 pink shells, and 60 green shells in her jar. She asks Sweet T to reach into her jar and randomly selects a shell. Then she replaces it and shakes up the jar before asking Sweet T to pick another shell. If Sweet T repeats this 200 times, about how many shells can be expect to be green?
 answer. 120 green shells
 60 green shells
 12 green shells
 6 green shells