question_answer

At Ali's school there is 1 teacher for every 15 students. There are 630 students at the school. Which proportion can be used to find the number of teachers (x)?

A)  \[\frac{x}{15}=\frac{1}{630}\]   

B)         \[\frac{15}{1}=\frac{x}{630}\]

C)  \[\frac{1}{15}=\frac{x}{630}\]   

D)         \[\frac{x}{1}=\frac{15}{615}\]