Respuesta :
Answer:
2 ratios are true.
See below in bold.
Step-by-step explanation:
Number of students = 12 girls + 15 boys = 27.
So 12 girls to 27 students is true.
Also if we divide the number of boys and the number of students by 3 we get:
15/3 to 27/3
= 5 boys to 9 students - true.