There are 450 students and 15 teachers in the school. The school hires 2 new teachers. To keep the same student-to-teacher ratio, how many total students should

Question

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Answer 1

450 students/15 teachers=30 students/1 teacher

there are 30 students per teacher

if 2 new teachers are hired you need 2*30=60 new students

450+60=510 students

15+2=17 teachers

510/17=30/1