Respuesta :
[tex]54= \frac{54}{100}=0.9 \\
\\ 54/0.9=60 \\
\\ 54 \ is \ 90 \ percent \ of \ 60 \ students[/tex]
ratio and proportion
54 /x=90/100
cross multiply
90x= 5400
x= 60 students
hope this helps
