The answer that I would choose would be C.
Answer:
54 students
Step-by-step explanation:
42 / 7 = 6
9 x 6 = 54
42 : 54 = 7 : 9
500 is the square root of 36-kg because of 300 tablets

x/3+17is less than or equal to 15
x/3is less than or equal to 15-17
xis less than or equal to -6