A casino offers couples at the hotel free chips - each person reaches into a bag and pulls out a card stating the number of free chips - one person has a set of four cards with X=(8,27,19,86); the other person's bag has a set
of three cards with Y=(10,24,80). What is the average amount they should be able to pool together?
A) 8.54
B) 6.02
C) 73
D) 36.29

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?