



How do you write a proportion?
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tỷ số và tỉ lệ 2 in 1
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- A school has a student-teacher ratio of 15 1. If there are 450 students, how many teachers are there? Solve for m (m-3)/2 = (2m+1)/5.
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- The ratio of students who like math to those who like science is 5 4. If 20 students like math, how many like science? Simplify the ratio 50 75.
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