Respuesta :

Answer:

the answer depends if the ratio is 5 the answer is 15

if the ratio is 4 the answer is 12

Step-by-step explanation:

first add the ratios-5+4=9x

27 students

x=27/9=3

3*4 =12 or 3*5=15


please thank and mark brainliest if this helps!

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