Answer/Step-by-step explanation:
Part A:
[tex]Key:\left[1 Adult = 4 Student][/tex]
[tex]Formula: Divide[/tex] [tex]by[/tex] [tex]4[/tex]
12 Student = 3 Adult
24 Student = 6 Adult
40 Student = 10 Adult
Part B:
33 Student
Hence, divide 33 by 4 = 8 with a remainder of 1.
Therefore, 8 Adult and for the remainder 1 student either one Adult takes 5 Student or Needed 9 Adult.