Respuesta :
We learned this in the sixth grade, give me a sec till I get my text book
Answer:
Number of students :
[tex]Total \ students = 30\\By\ Train = 12\\By \ Walking = 6\\Driven \ by \ Parents = 30 - 6 - 12 = 12[/tex]
Percentage Calculation:
[tex]By \ train = \frac{12}{30} \times 100 = 40 \%\\\\By \ Walking = \frac{6}{30 } \times 100 = 20 \%\\\\Driven \ by \ parents = \frac{12}{30} \times 100 = 40 \%[/tex]