Ivanna made 2 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for both necklaces was $12.60 . If the beads cost a total of $4.80 , how much did each pendant cost?

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?