contestada

Out of the 32 students in Mr. Martin's class, 18 are boys. If this ratio is proportional to the number of students in the school and the number of boys in the school, which of the choices would best be used to find the number of students in the school? It is given that there are 468 boys in the school.

Respuesta :

cantmod1

Answer:

You are on the right track; you just need to think of the percentages as fractions instead. For every girl, there are three boys. This means that there are sets of 4 students (1 of the 4 is a girl, 3 of the 4 are boys, or 1/4 and 3/4).

 

3           x

---   *   -----

4         236

 

Cross multiplying time!

 

3 * 236  = 4x

708 = 4x

177 = x

There are 177 boys in the martial arts school.

Step-by-step explanation:

I might be wrong.. sorry if i am im in a rush nd watching the 100

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