There are 620 students and 31 teachers at the turner middle school. there are 950 students and 38 teachers at the green middle school. a. find the ratios of students to teachers at each school. can you form a proportion with these ratios ? why or why not? b. suppose green school wants to make its student-teacher ratio close to that at turner school. how many new teachers would green have to hire? c. can you write a part-to-whole ratio using the data provided? explain.