There are 15 students for every teacher in a school. A) How many students are there if there are 10m teachers? B) How many teachers are there if there are 6m students? Evaluate the expression when m = 20.

10m teachers,

10m(15) = 150m students

When m = 20,

3000 students

5m students,

6m/15 = ⅖m teachers

When m = 20,

⅖(20) = 8 teachers

answer: 1) twenty-seven times y

              2) twenty-seven multiplied by y

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