Q4) 55 marks] In a reeent survey of parents of 160 third graders regardiag the eutricumiculer activities theif chldren are in, the following information was gailisred: 28 children were in gymnasties. 60 chifition were in thie dance. x+y=xy 99 children were in switnming. 13 children were in gymuastics and dance. 2l childien were in dance and swimating. 19 children were in swimening and gymnastics. 9 children were in all threo activitics. 4) Represent the siven finformation using a Venn diagran. Clearly label all parts of the Vern diagram. b) How many children were ONLY in swimming? c) How many children were in dance and swimming but not gymnastics?.