Respuesta :

mavivian

Answer:

9 students have braces

Step-by-step explanation:

honestly, you could just probably solve it mentally but we are going to make a proportion.

[tex]\frac{3}{5} = \frac{x}{15}[/tex]

5*3 = 15; so you then multiply 3 by 3 and get 9 as your final answer

englanda1
B) 9. How did you get from 5 to 15? You multiply by 3! That is what you have to do to the 3! keeping the ratio, ratio!

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good job