The student council is selling raffle tickets to raise money for the winter dance. they have a total of 275 tickets to sell and are told they must sell at least 82% of them to raise enough money. how many do they need to sell?
[a] set up a proportion that can be used to solve this problem.
[b] show all steps to solve the problem.

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?