For every 3 cups of flour the bakery uses, it uses 2 cups of sugar. If the bakery uses 15 cups of flour, how much sugar will it use? And plz dont just give some random answer just to get the points

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?