of the students in a school are in sixth grade. a. How many sixth graders are there if the school has 70 students? b. How many sixth graders are there if the school has 28 students? c. If the school has x students, write an expression for the number of sixth graders in terms of x. d. How many students are in the school if 63 of them are sixth graders?

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?