What is the approximate percent change in a temperature that went down from 120 degrees to 100 degrees? The percent change is approximately 17%.
O The percent change is approximately 20%.
The percent change is approximately 80%.
O The percent change is approximately 120%.

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?